Sinn 556 I on Strap


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• Verified Owner Reviews (87 reviews)
SKU: SI-191

Watch Brand: Sinn

Sinn North America


Automatic winding mechanical watch in steel on strap
• Watch diameter (mm): 38.5
• Watch height (mm): 11.0
• Lug width (mm): 20
• Lug to lug (mm): 45.5
• Weight - head only (grams): 65
• Water resistance: 200 meters
• Case back: Transparent
• Case finish: Satinized
• Case metal: Stainless steel
• Dial color: Black
• Front crystal: Sapphire
• Calibre: SW200-1
• Movement: Automatic mechanical
• Strap or bracelet: Strap
• Manufacturer's limited warranty: 2 years
• Warranty service: RGM or Sinn

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WatchBuys Direct Price: $1,340.00
Availability:  In Stock - Ships Immediately


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Condition:  This Sinn watch is brand new and unworn

Authorized:  WatchBuys is Sinn's official importer and distributor
This watch ships to US, Canada, Puerto Rico, Guam and APO/FPO/DPO locations from NC using these shipping methods

Sinn 556 I on Strap
Sinn 556 I on Strap

(Click Image to Enlarge)
Product Details

The Sinn 556 has become one of our best selling watches of all time and for good reason - it offers a great mix of performance, durability and classic Sinn design.

This version of the Sinn 556 is marked "I" for Indices (the dial has no numerals). 

Sinn's inspiration for the design of this watch is the historic Sinn NaBo clocks, long manufactured for use in cockpits as a navigational tool.  Even today Sinn continues to produce these clocks which are used in both civilian and military aircraft, as well as specialty cars.

The difference from these clocks is that Sinn has removed all numerals from this watch and replaced them with indices.  This clean design is a primary reason that so many choose this watch as their daily wear timepiece.



The Sinn 556 I features a case size at 38.5 mm which is satinized. This finish results in a slightly more polished look while at the same time retaining some characteristics of a matte finish.

Notable features of the Sinn 556 I include:
  • Case in 316L surgical stainless steel
  • Dial has a slight surface shine rather than matte
  • Sapphire crystals on both sides of the watch
  • Double coated anti-reflective covering
  • Dual seal crown lock to improve water resistance
  • Sapphire crystal back to view the decorated movement
  • Premium Grade (highest) movement

This watch is fitted with a Sinn black leather strap with white stitching and tang buckle.

And what is very unusual for watch in this category is that Sinn has been able to engineer a water resistance of 200 meters rather than the traditional 50 to 100 meters in competing watches.



Frequently purchased with this item:

Watch specifications are provided by the respective watch manufacturer and/or other sources. Although we use best efforts to provide accurate information, we reserve the right to make corrections when advised of specification changes and/or content errors.


WatchBuys is the official and authorized North American distributor and importer for Sinn watches.

When you purchase your new Sinn watch from WatchBuys, you'll not only get a finely engineered timepiece with excellent value for money, you'll also benefit from the WatchBuys Sinn Advantage.


WatchBuys Advantage #1

Because we are the official and authorized North American Sinn distributor and importer, your name and watch serial number will be automatically registered in our database for a Sinn manufacturer's limited warranty which we pass through.

This means that should your watch require service during the Sinn manufacturer's limited warranty period, service will be provided by Sinn in Germany when you return your watch to them. This Sinn manufacturer's limited warranty is transferable to subsequent owners as allowed by Sinn.

You are responsible for paying the shipping charges to Sinn, and all repairs that Sinn approves under its warranty are at no charge. Sinn will also pay the return shipping charges to the address you specify.

The Sinn manufacturer's limited warranty period is as follows:
  • Watches in the EZM Series: 3 years
  • Watches marked AR containing inert gas: 3 years
  • Watches in the DIAPAL Series: 5 years
  • All other Sinn models: 2 years

WatchBuys Advantage #2

As an added benefit to those who purchase Sinn watches from WatchBuys, you may choose to have your warranty repairs serviced through our US Sinn Authorized Service Center, RGM Watch Service located in Mount Joy, Pennsylvania. This added benefit saves our clients the time and effort of returning their watches to Germany for repair. This service is transferable to subsequent owners who purchase directly from the original registered owner.

Please note that you are responsible for paying shipping and insurance charges for sending your watch to RGM. Once they reach your watch in the service queue they will determine which repairs are covered under Sinn's warranty.

It is important to note that oil-filled quartz Sinn watches must be repaired in Germany (EZM 2, Hydro and UX series). If your watch meets one of these conditions and requires service under warranty, please click here for instructions on returning your watch to Sinn in Germany.


WatchBuys Advantage #3

Your watch will be repaired at no cost to you other than shipping charges to either Sinn or RGM during the warranty period. Sinn watches purchased through the "grey market" (non-authorized sources) may carry no warranty from Sinn. Sinn watches purchased through authorized overseas retailers are governed by the warranty policies of those dealers and/or Sinn, and typically must be sent to either the overseas dealer or Germany for repair.


WatchBuys Advantage #4

You'll be wearing your new Sinn watch soon after your order is placed since we stock Sinn watches and ship free using UPS Air. Plus, since we are located in the United States, there are no "hidden charges" for shipments to US residents as is the case with most overseas dealers. Such charges can add up to 15% to the cost of your new watch, and include credit card surcharges, foreign exchange credit card bank fees, import duties and taxes, and custom's broker charges.


WatchBuys Advantage #5

WatchBuys offers a comprehensive return policy with no restocking fees to US residents. Overseas dealers, including those involved in the grey market, typically don't offer a return policy, and if they do, returning a watch under the policy is both complicated and expensive due to import/export and custom's requirements. Restocking fees are also common and may range up to 15%.

Learn more about our return policies.


WatchBuys Advantage #6

WatchBuys is pleased to accept payments through PayPal, debit and credit cards. We charge no surcharges to use credit or debit cards, and because we are based in the United States your US card is charged in US dollars with no conversion or exchange rate fees.

We also accept payments from PayPal and charge no surcharges.

Please note that to pay by credit card, debit card or PayPal your account and/or card must be issued by US or Canadian financial institution and billed to a confirmed US or Canadian address.


WatchBuys Advantage #7

When you purchase your new Sinn watch from WatchBuys, you'll earn WatchPoint Rewards which accumulate and may be redeemed against future purchases.




Sinn watches feature a number of cutting edge technologies, many of which are unique to Sinn. Please note that not all Sinn watches, including the watch on this page, use all of these Sinn technologies.

Among the more notable Sinn technologies are:


Tegimented Hardened Cases

Many Sinn watches are fitted with Tegimented cases produced in-house by Sinn's case making affiliated company in Glashutte, Germany.

Standard steel used by most watch companies has a hardness of between 200 and 240 HV (Hardness Vickers is a common scale used to measure material hardness). The Tegiment process produces a hardness of at least 1,200 Vickers which is five times harder than standard steel (and on some Sinn models up to nine times harder than standard steel).

The Tegiment process is not a coating consisting of a foreign material; instead the steel itself that has been hardened using a special engineering process that creates a hardened barrier. The base material is a type of stainless steel also used for surgical implants, and the stainless steel resistance to corrosion is further improved by the Tegiment hardening process.

The primary advantages to a Tegimented case are extreme resistance to scratches and other case abrasions, as well as increased resistance to corrosion.

Please note that certain Sinn watches are fully Tegimented (case, bezel) while others are Tegimented only on the bezel. Use the links below to view both categories.

  • View Sinn watches with fully Tegimented cases.

  • View Sinn watches with Tegimented bezels only.


Dehumidification Technology

A number of Sinn models feature cases filled with inert gas. Sinn has found that filling the case with inert gas can help prevent the introduction of moisture and humidity to the case, as well as provide a more stable environment for the oils that lubricate the movement.

The proper care of any mechanical watch movement mandates that these oils maintain both their viscosity and lubrication properties.

  • View Sinn watches with dehumidification technology.


Copper Sulphate Capsules

A number Sinn models use one or more copper sulphate capsules to absorb humidity trapped inside the case. Over time these capsules will gradually turn dark blue indicating that humidity has been absorbed.

The primary benefit to these copper sulphate capsules is a more dry and stable environment for both the movement and the lubricating oils. Together with Sinn's inert gas treatment these capsules form the basis of Sinn's Dry Hold Technology.

This technology not only provides a more stable environment for the movement, but also prevents fogging of the crystal when going from hot to cold environments or from humid to non-humid conditions (such air conditioned buildings).

  • View Sinn watches with copper sulphate capsules.


Extreme Antimagnetic Protection

Magnetism can cause dramatic swings in the timekeeping of a mechanical watch movement. People are often exposed to magnetic fields without even being aware - frequent high altitude flying, metal detectors, audio and video equipment, medical equipment and computer equipment can all cause problems with magnetism.

Many Sinn watches offer extreme protection against magnetism up to 80,000 A/m. Sinn achieves these results using a number of different technologies, including special case and case back construction, soft iron components in the case and protective rings surrounding the movement.

  • View Sinn watches with extreme antimagnetic protection.


DIAPAL Oil Free Escapement

Sinn caused quite a stir when they first released their DIAPAL technology. Beginning in 1995, Sinn began work to create an oil free escapement. With any mechanical watch movement, the aging of oil, especially in the escapement can create long term problems for that movement. Additionally, as movement oil ages, required service intervals become more frequent.

Sinn's early analysis to this problem provided a quick solution (at least in theory) - if you don't use oil, it can't age. The process began by exchanging the ruby escapements for diamonds (the word "DIAPAL" derives from the German name for diamond escapements) in order to achieve the desired effect. The designation stuck, even though today Sinn works with solutions taken from advanced nanotechnology rather than diamonds.

The result is a movement that proves so reliable that Sinn offers an unprecedented five year warranty on their DIAPAL watches.

  • View Sinn watches featuring the DIAPAL oil free escapement.


Hydro Oil Filled Technology

Sinn has developed a technology termed "Hydro" in which the entire watch case is filled with oil. Watches using this technology are based on quartz rather than mechanical movements.

By using this type of movement, Sinn is able to fill the watch with oil, which has the joint affect of greatly enhancing the readability of the dial and time from any angle (including under water), and increasing the water resistance of the watch even at great depths.

  • View Sinn watches with Hydro Oil Filled technology.


Submarine Steel

Sinn has created a line of watches featuring cases made from German submarine steel (the U Series). The steel was procured by Sinn from a steel supplier to Emden GmbH, one of Germany's North Sea shipbuilding yards who construct submarines from the very same steel.

Because of the special steel used from the submarine steelmanufacturer, the case resists the effects of exposure to salt waterand salt water environments.

These cases are produced in-house by Sinn's case making affiliated company in Glashutte, Germany.

This special steel is also amagnetic which means that is does not have magnetic properties and cannot itself become magnetized. The watch movement itself is protected from magnetic fields up to 4,800 A/m.

  • View Sinn watches built from German submarine steel.



EZM Mission Timers

Sinn is a partner for manufacturing watches for the German Special Forces, including SWAT, Customs, FBI, helicopter police, GSG9 and other units.

Beginning with the now highly collectible (and valuable) Sinn EZM 1, Sinn has grown this collection to some of the most durable and highly functional watches made and they remain among the most popular in the collection.

  • View Sinn watches in the EZM Series.


Watch Reviews From Verified WatchBuys Buyers
100% • Verified Owner Reviews100% • Verified Owner Reviews (87 reviews)

Like the watch, excellent sales experience

"Like the watch, excellent sales experience"

Verified Owner Comments: Watch is solidly built, good quality strap, very attractive dial, decent looking movement. Wears nicely on the wrist. Power reserve is mediocre and accuracy so far is reasonable but not great. Overall, nice watch but perhaps for me not a great value at the full cost.

A true every day piece

"A true every day piece"

Verified Owner Comments: Love the watch. Brilliant build quality, wearability and the design never gets old. It is my everyday watch, and truly feels like a solid investment.

Excellent!

"Excellent!"

Verified Owner Comments: The 556i exceeded my expectations. The watch is beautiful, with perfect finishing on the case and a deep black glossy dial. The watch continues to impress with its accuracy and runs +2 seconds/day.

Watchbuys provided a painless purchase experience, and I appreciated the call to ensure the order was accurate. I will certainly purchase again!

Sinn 556 I on Strap

"Sinn 556 I on Strap"

Verified Owner Comments: This was my second Sinn watch purchase, but my first experience with WatchBuys. I love everything about the "casual but dressy” 556 I and could not be happier with the shorter version strap.

Trey promptly reached out to make sure the order and shipping information was accurate and I received the watch just 48 hours later. I’ll be a returning customer. Great experience.

Sinn 556i

"Sinn 556i"

Verified Owner Comments: I really like the watch size especially since I have slim wrists. The strap however could use one more hole. I have a 40 mm and the strap fits fine. Just add another punch hole and I would have zero issues.

Wonderful Experience

"Wonderful Experience"

Verified Owner Comments: Great watch, and personalized customer service. Will definitely buy another watch from Watchbuys.

Great Experience

"Great Experience"

Verified Owner Comments: Placed order and watch arrived 3 business days later. Looked even better in person than online. Plus, it even came wound and set to the proper date/time!

Would recommend WatchBuys to anyone interested in Sinn.

Continues to impress

"Continues to impress"

Verified Owner Comments: The 556i has made it into my top box and weekly rotation, and I tend to leave it on when I get home from the office. If you want something versatile that can blend in with any attire, yet still have some tool watch vibes, this i-variant is a good candidate. Given the stark edges on the case, I thought there would be a good chance it'd be less than comfortable.

On the supplied leather strap, that hasn't been the case. Its size, weight, and dimensions help the wearer forget it's there, while still retaining some presence on a 7 wrist. Hard to imagine anything I'd change about it (and I can usually think of something on most of my watches). It seems a lot of subtle and careful design choices were made with this model, all of which have really come together nicely.

.... a SINN finally realized!

".... a SINN finally realized!"

Verified Owner Comments: One of the best values out there. I'm a US citizen and first saw SINN at Hong Kong AD in late 1999 while on holiday. The models I saw were nice, none to my liking, but brand left a positive impression.

Followed SINN since and pulled the trigger on a 556I sight unseen. (9/22) WOW! Should have purchased earlier. Superb finishing, accuracy, and well sized for my 7 wrist. Don't hesitate. SINN is that GOOD!

Love it!

"Love it!"

Verified Owner Comments: Ordered it online, first time to buy from this store, next day, called by customer service to confirm a few questions, and two days later, I got it.

It is as beautiful as seen on website. I love it. thanks a lot.

Better than expected

"Better than expected"

Verified Owner Comments: This is my second Sinn watch. This watch immediately spoke to me. The black dial and black leather strap with white stitching looks so nice. I bought 6 different fabric/nato straps that I alternate my 104 and 556, and 556 is so versatile with each strap.

556i very good

"556i very good"

Verified Owner Comments: I was attracted by the dial, which is simple and very readable, that plus the fact that it is top grade premium calibre, a screwed down crown, and water resistent to 200m. Also attracted by the relatively inexpensive price, ie, value.

Watchbuys staff was helpful, and delivery was as promised. First thing I put it on my timegrapher, and values showed that it was well within COSC specifications, although it is not a COSC certified chronometer, it just runs like one, and has remained within chronometer specs since it arrived.

The only thing I would change: I originally wanted a red second hand, but did not see one available at the time, so I expect that I will add a red second hand in the future or have it done by Sinn as I assume that is doable.

Extremely Pleased

"Extremely Pleased"

Verified Owner Comments: I couldn't be more pleased with my watch or with Watchbuy's customer service. After placing my order, they called to verify everything and during that time they took some steps to help give me exactly what I needed. Also, they pick up the phone near the first ring and will answer any questions you might have!

Huge value

"Huge value"

Verified Owner Comments: I’m thrilled with this watch and watchbuys was stellar. I got better customer service buying this watch than I did buying my last Mercedes.

The 556 feels and looks as nice as some of watches that cost 4x the price. I have swapped the band for a grey cordura strap and it looks slick. The way the dial disappears with the double anti reflective glass is sublime.

Sinn 556I

"Sinn 556I"

Verified Owner Comments: The contrast on the dial is amazing, such clarity. Very comfortable and great minimalist look.

5 Stars, would rate higher.

"5 Stars, would rate higher."

Verified Owner Comments: Unbelievable watch, It looked great in pictures but when I got it in person is looked absolutely stunning. I was genuinely in shock about how beautiful it was. I would recommend this watch to just about anyone.

Sinn is a wonderful brand and Watchbuys made my whole purchasing experience a breeze.

Very Pleased

"Very Pleased"

Verified Owner Comments: Beautiful watch that arrived quickly and was well packaged. Very pleased with the accuracy and the gloss dial is more impressivein person. Lume is adequate but not exceptional. Overall a great purchase and buying experience.

Elegant and sporty

"Elegant and sporty"

Verified Owner Comments: This is my second Sinn time piece, particularly they are both from the same 556 series.

This is the 556i it looks much more formal than the 556a but it is still just as versatile when combining it with any style (casual sports or casual business) its minimalist dial design allows it.

Quick Delivery - Nice Piece

"Quick Delivery - Nice Piece"

Verified Owner Comments: Very well packaged and shipped quick. Wanted the bracelet version but wasn't in stock. Black leather seems pretty nice but can't speak to the quality as it was a gift.

The recipient seems to be enjoying it so far.

Sinn 556 I - Exactly what I was looking for

"Sinn 556 I - Exactly what I was looking for"

Verified Owner Comments: This 556 came in perfect condition with all necessary paperwork. It’s been great in the office and outside on adventures. The black glossy dial is gorgeous in person! Keeps fantastic time at +5sec/day.

Shipping was fast and customer service was great. I will definitely be making more purchases through WatchBuys

Versatile everyday watch

"Versatile everyday watch"

Verified Owner Comments: Sinn makes high quality watches, and the 556 is no exception. I love the black lacquer dial and minimalist utilitarian look of the watch. The look makes it versatile for different occasions, and you'll be able to use a wide variety of straps should you wish to do so.

Additionally, I appreciate how Sinn uses a top-grade Sellita movement (as opposed to the base). Amazing value for money proposition.

Great Purchase!

"Great Purchase!"

Verified Owner Comments: I've been looking at the Sinn brand for some time and finally made the decision on the 556i as my very first automatic watch purchase. I absolutely love its simplicity. The overall look is stunning, especially the deep black watch face and the bold pop of the white indices. The black strap is sporty yet still dresses up nicely if the occasion requires.

And most importantly, the watch is keeping great time so far! The WatchBuys team answered my questions before purchase and it was shipped very quickly.

Love it

"Love it"

Verified Owner Comments: Shipping was quick. Watch arrived in perfect condition. Looks and feels amazing on the wrist.

Great EDW

"Great EDW"

Verified Owner Comments: Great watch for everyday wear. My 44mm Speedmaster can not be worn at night, too clunky. But this 556 doesn't bother me at all when when i'm sleeping. Also much quieter. Really loving this watch.

Amazing watch/service

"Amazing watch/service"

Verified Owner Comments: This is my 2nd purchase from watchbuys and likey not my last. If you have questions, call, and you will get answers.

The watch is amazing and keeping great time. Such a versatile piece and can me worn with many different straps. Shipping was fast!

Sinn 556i on strap + bracelet

"Sinn 556i on strap + bracelet"

Verified Owner Comments: Fully satisfied with my purchase. I've been eyeing this watch for awhile and finally decided to pull the trigger. Although it's Sinn's entry level watch, you get an incredible bang for your buck in terms of both technology and design.

I cannot recommend this watch more, and likewise cannot recommend WatchBuys more. There isn't an easier and more professional yet personal way to purchase a watch online.

The customer service is outstanding and everyone you talk to is incredibly knowledgeable and helpful. I will most definitely be making future Sinn (and other) purchases from WatchBuys and recommend the same to others.

556i - Great Quality

"556i - Great Quality"

Verified Owner Comments: Have owned numerous Sinn watches and have always been impressed with the quality. This is my first Sinn with a exhibition caseback and the finishing of the movement is on par with the rest.

Watch is a great size and I had good service by Watchbuys.

556I

"556I"

Verified Owner Comments: I recently bought a Sinn 556I from Watchbuys.com. They were very responsive on email and helpful on the phone.

I received the watch on time, and as expected. I’m super happy with the 556I. I like the clean, classic design and when I popped the box I was surprised at how sharp and clear the face is. I was a bit concerned about a glossy black face, but it adds greater depth and clarity. I added the light brown cowhide strap for a bit more sporty, versatile look - also happy with that decision. Cheers

Sinn 556i on Strap

"Sinn 556i on Strap"

Verified Owner Comments: This watch is beautiful! The gloss black dial and indices are easy to read. Simplicity at its greatest.

Great customer service and buying experience from watchbuys.

Sinn 556 is a great watch!

"Sinn 556 is a great watch!"

Verified Owner Comments: The Sinn 556 I purchased from WatchBuys is a great, no-nonsense watch. Awesome legibility, great deep black dial, 200M water resistant, and great service all-around.

Highly recommend this watch and buying from WatchBuys!

Good Watch

"Good Watch"

Verified Owner Comments: Great Service by watchbuys, watch came in perfect condition, time was even set out of the box. 10/10

Beautiful watch

"Beautiful watch"

Verified Owner Comments: This watch is great! I went with the 556i out of a few other options, the 556a and the 856, because I thought it was more versatile. The gloss black dial looks deep and the indices really stand out.

The legibility on this piece is incredible and it can be dressed up or down all the same. I put it on a brown strap and wear it as my everyday watch with business casual attire and it has never felt out of place.

Graduation Gift

"Graduation Gift"

Verified Owner Comments: Purchased this item for my son for college graduation. Great quality for the money and he is very happy with it.

Rail Road Pocket Watch Guy

"Rail Road Pocket Watch Guy"

Verified Owner Comments: Been a rail road pocket watch guy for most of adult life. Accuracy, elegance, rugged, durable and gives me the one thing I carry it for.....what time is it. Been looking for wrist watch which could give me accurate time. Love mechanical watches don’t have to mess with batteries. Found it in this affordable Sinn model. Accurate, elegant and wearable.

Great buy and WatchBuys really great service. Thanks Sinn and WatchBuys.

First Sinn but not my last

"First Sinn but not my last"

Verified Owner Comments: This is my first Sinn and I must say I am highly impressed. I was very leery about buying online, but the gentlemen at Watchbuys.com are amazing. They actually took the time to answer all my questions and then some. They so far have provided me with some if the best customer service i have had to date.

The watch itself came in perfect condition and keeps great time. I would highly recommend this watch to anyone looking for a tool watch. I was also concerned about the lume as everyone knocks the lume on this watch. I must say it is not as bright as my Orange Monster, but it does make my Hamilton look bad. If i charge it before bed it will last all night, and it will be very dim when I get up in the morning.

This maybe my first Sinn, but certainly not my last.

Sinn 556

"Sinn 556"

Verified Owner Comments: I love this watch!

Nice watch, great service

"Nice watch, great service"

Verified Owner Comments:

Very nice watch. Dial is unique: White index really stands out against gloss black dial. Stainless case is beautifully styled. At 38.5 mm the watch wears a little smaller than the 40 mm plus watches that are so common today, but this is fine with my 6.5 wrist.

The service from WatchBuys was flawless. I placed the order online, they called me to confirm, and it arrived a day or two later. I highly recommend this watch and WatchBuys

Keeper

"Keeper"

Verified Owner Comments: This watch lives up to its billing. Fantastic deep black dial. Beautiful contrasting white hands and time markers. Love the legibility. High quality fit and finish. Great craftsmanship. Bonded with it straight away and have enjoyed wearing it every minute since purchasing it three months ago.

Sinn 556

"Sinn 556"

Verified Owner Comments: I love the Sinn 556i !

Sinn 556

"Sinn 556"

Verified Owner Comments: Great watch!

Awesome watch

"Awesome watch"

Verified Owner Comments: The German version of the Rolex Explorer. Amazing watch. Definitely a keeper!

As expected

"As expected"

Verified Owner Comments: I was researching quite a lot before buying my first automatic watch, and I was left not disappointed. The watch looks and wears really nice on my 16,5cm wrist. Buying experience form Watchbuys was pleasant too. Cons - the front sapphire crystal is a fingerprint magnet because of the antireflective coating. Need constantly wipe it with a cloth.

Great Value!

"Great Value!"

Verified Owner Comments: I had been looking to secure a signature piece of my watch collection for a few months, which was largely made up of budget Seiko/Orient/Casio items. Something with more polished construction and finishing, yet a simple, legible design that is fitting casually and professionally.

The 556i fulfills all of the above, has a respected ETA movement, incredible deep black dial and is a great option for those looking at something in the confusing mid range market.

Great experience with watchbuys as well, they followed up by phone throughout the shipping process, felt more than an anonymous online transaction!

A keeper

"A keeper"

Verified Owner Comments: I love the fact that this watch is under 40mm. It is practical and comfortable for everyday wear, unlike the 40mm+ watches. Even with a 7.5 inch wrist, it is bold enough to be noticed. I love the simple beauty of this watch, along with the solid, quality build. Shipping was extremely frustrating with FedEx. I know I gave Rob some angst about it, but he was very responsive. Good customer service.

simply beautiful

"simply beautiful"

Verified Owner Comments: This watch has a simple kind of beauty with its no nonsense dial and easily readable hands. The dial is a rich glossy black that along with the contrast from the white hands and indices allow easy readability at just a glance even in the dark when relying on the lume.

Definitely an amazing watch.

Simple perfection

"Simple perfection"

Verified Owner Comments: This turned out to be my grail watch though I didn't know until I owned it. Elegantly simple in design it looks evem better in person. It is exactly what it is claimed to be and doesn't pretend to be anything else. If this is your type of watch stye and mechanics-wise you will be exceediingly happy with the purchase.

Fantastic

"Fantastic"

Verified Owner Comments: great service, great watch

New Sinn 556 I

"New Sinn 556 I"

Verified Owner Comments: The watch arrived in perfect condition and is a work of art. Finish is flawless. Worn for about two weeks and is keeping time to about 3-4 seconds per day (excellent timekeeping).

BTW, FedEx messed-up Saturday delivery and WatchBuys secured a refund for the shipping charges. Excellent customer service. Very happy and will gladly be a repeat customer.

Worth the price

"Worth the price"

Verified Owner Comments: The watch is as advertised. It keeps good time and looks amazing (In my opinion).

Thanks Watchbuys!

Perfect everyday watch

"Perfect everyday watch"

Verified Owner Comments: The 556 is the perfect watch. It goes great with jeans but can be worn with a suit too.

Shipping was fast and the guys at watchbuys made it an easy transaction. Will be sure to buy from them in the future.

Timeless Simplicity

"Timeless Simplicity"

Verified Owner Comments: I waited a while to get this watch. Over a year to be specific. As a relative newbie to horology, the first nice watch I purchased was a Fortis B-42. While it is certainly a hell of a watch for the money, I soon found it to be too large, loud and cumbersome for me. It took some time to recognize and appreciate the elegance in a simple, well designed timepiece in a size that suited me.

Enter the 556i. At 38.5 millimeters, it really feels at home on my wrist and is a pleasure to wear everyday. I opted for the black leather strap, which in my opinion looks just at home with a t-shirt and a pair of jeans as it does a suit. Along with my Omega Speedmaster Professional and Casio GW-5000 G-Shock, the 556i rounds out my small collection beautifully. Highly recommended!

Clean and Simple Design

"Clean and Simple Design"

Verified Owner Comments: I've had my eye on Sinn for a while as far as purchasing a serious watch was concerned. A friend had recommended Sinn for me to move beyond mass market watches that you could find in your average department store. I chose the 556I because it was Sinn's entry level piece, and I didn't want to overspend on something that I might be disappointed in later. I was not disappointed. In fact, I was extremely satisfied with the value I received. The design of the watch is versatile. I can wear it with a suit and tie or t-shirt and jeans. It's eye-catching in its clean and simple design. I started to notice people's lingering stares at the watch, whether I'm in a supermarket or a restaurant. The black dial is a very bold black, and the white indices are very prominent. The watch makes a bold statement from afar, and it's extremely legible up close. The ordering process was straightforward. Since I was a first-time purchaser, I got a call from Watchbuys to verify a few things first before the... - more details

The all around watch

"The all around watch"

Verified Owner Comments: Dress, casual, swim, run, tool, this watch does it all! Looks good in a suit, looks good on a t-shirt.

Would recommend and buy again in a heart beat.

Sinn 556i

"Sinn 556i"

Verified Owner Comments: I was hesitant about the 38.5 mm size of this watch as I thought it might be too small. Its a beautiful watch, and the size and weight ended up being perfect!

Good Value is an Understatement

"Good Value is an Understatement"

Verified Owner Comments: This was my first purchase over 300 dollars, so you can understand I was a bit hesitant.

Rest assured the staff at watchbuys offer great service and make sure the process is as smooth as possible. The best part is you get the watch the very next day. I am planning on buying another piece next year. (Only qualm I have about the watch is that it is so hard to decide the i and a versions. Also the watch looks much better on a Nato Strap).

I love my SINN 556

"I love my SINN 556"

Verified Owner Comments: I fell in love with this watch the moment I opened the box. The attention to detail is fabulous, I can read the time under any conditions without difficulty. The accuracy of the movement has surprised me.

I find the average to be about + 3-4 seconds per day. I would have preferred a softer feeling leather band but that would be a simple fix. I must also comment on the absolutely excellent customer service.

I will definitely purchase another watch from watchbuys again. I highly recommend.

Great watch, great experience

"Great watch, great experience"

Verified Owner Comments: This is a solid, well manufactured and very attractive timepiece. I get multiple compliments on it a day. The size is perfect for my rather smaller wrist- it's not too big, not too small, just right. I still haven't gotten over the build quality and how attractive this watch is. I've worn this to work, casual events, and a wedding- you can literally dress this watch as up or down as you like.

I would definitely recommend this watch and the Sinn brand to others. Purchasing through WatchBuys was painless and professional.

Great Watch & Buying Experience

"Great Watch & Buying Experience"

Verified Owner Comments: Lets start off by saying that the buying experience was excellent as was follow up inquiry that I made. I was able to change to a smaller strap at the last minute. As has been said, the watch looks better in person than the photos show.

The white markers and hands really pop against the black gloss face. The size is perfect for my thin wrists. This watch will most likely be making a trip to RGM for regulation as it is running +14 sec/day at this time after the 8/10 week settling time has passed.

I would buy again.

Great watch, better experience

"Great watch, better experience"

Verified Owner Comments: After many months of research, I decided on getting the 556I.

Customer service was excellent, and the watch shipped in a few days. It's beautiful, simple, clean and classic.

I got a call a few days later asking if everything was good with the watch, I thought that was a nice touch.

Great experience with Watchbuys, I've already recommended to friends and I look forward to my next purchase.

556I review

"556I review"

Verified Owner Comments: Great looking watch, simple yet elegant design. solid built.

Ordering process very easy with delivery time as promised.

Sinn 556 I

"Sinn 556 I"

Verified Owner Comments: It's been 3 weeks since I've purchased my Sinn 556i.

At no time since have felt any thing close to "buyers remorse". My trusty 24 year old quartz Omega and 14 year old quartz Tag have become "second class citizens", pushed to the back of the drawer.

There's something satisfying about owning a true, well made mechanical watch.

WatchBuys sent my my merchandise quickly and efficiently. They also have a real time email service that is quick to respond to specific questions that may arise.

My first Sinn

"My first Sinn"

Verified Owner Comments: After a frictionless order process (bravo Watchbuys!)

I received my 556i and couldn't be happier with the purchase. The watch looks better on the wrist than any picture can portray. It'll be my daily beater.

My speedy pro is having a tough time getting some wrist time!

Even better in person...

"Even better in person..."

Verified Owner Comments: Beautifully well built watch . The dial and its simplicity and legibility of the index markers and hands are stunning.

Quality leather band. Very accurate. You won't regret the purchase.

Sinn 556 I

"Sinn 556 I"

Verified Owner Comments: Fantastic build quality, I'm very satisfied with this watch. Simple design will look current for many years.

Strap seems to be well built and has a nice leather smell. I have small wrists and it doesn't look too big. Recommended.

Sinn 556

"Sinn 556"

Verified Owner Comments: Everything advertised and more. Fantastic watch and even better retailer.

Superior customer service from the informational "Chat" feature to post order call back and upgraded shipping. A delighted customer and will highly recommend.

Sinn 556 I

"Sinn 556 I"

Verified Owner Comments: I am extremely pleased with my purchase of a Sinn 556 I. The watch is even better looking than in the pictures and reviews that caused me to buy it.

WatchBuys customer service personnel are extremely knowledgeable and helpful – no high pressure sales pitch. All my questions prior to and after the sale were thoroughly answered and the watch was sent out for prompt delivery. This will not be my last purchase from this company.

Quality, versatility, elegance  all in one package

"Quality, versatility, elegance all in one package"

Verified Owner Comments: This is a watch that fits in really well in a business casual setting, weekend BBQ party, or formal / suit & tie environment.

No tegimented case or other technology is included, however. But I LOVE its simple, understated design that screams quality all around. This is my first Sinn purchase, and likely it won't be my last.

Sinn Excellence

"Sinn Excellence"

Verified Owner Comments: This watch has a super clean design and a flawless finish. I like the satinized case a lot as well as the focus on telling the time without any distractions.

Turning the watch over gives you a look into the 25 jewel movement through a sapphire back. All in all this is a tremendously satisfying watch to own.

Great watch and great customer service

"Great watch and great customer service"

Verified Owner Comments: Would I like a tegimented watch? Sure, but aesthetically this is in my opinion the best looking watch out there. I love the look and feel.

Customer service was top notch too, it was on back order for a week but they received a shipment from Sinn early and promptly gave me a phone call to let me know it was on its way, explain the return policy, and ask if I had any questions. I'll definitely order from them again.

Sinn 556

"Sinn 556"

Verified Owner Comments: Great watch, reminds me of the clocks at a German Airport.

Little on the small side at 38.5 mm, but outstanding build quality makes up for it.

I wish I would have found you guys sooner

"I wish I would have found you guys sooner"

Verified Owner Comments: It would have saved me a ton of money over the years.

I am completely satisfied with the watch and WatchBuys support. Perfekt!!!

Excellent Service

"Excellent Service"

Verified Owner Comments: Purchased the Sinn 556 I in Canada. WatchBuys staff were excellent.

I have received many comments on my Sinn 556 I. It is very comfortable (easily wearable with a dress shirt cuff) and is a classic design that looks good in a professional workplace, or just out on a boat.

Also it easily readable at night. Highly recommend!

Sinn 556I

"Sinn 556I"

Verified Owner Comments: I bought a 556I from WatchBuys in January. Here are my initial impressions:

WatchBuys was great, professional, pleasant to talk with, performed all tasks as scheduled, and very communicative. Packaging, first-rate. The watch itself is exactly as hoped - classic, elegant, and well-designed and made.

Sinn 556

"Sinn 556"

Verified Owner Comments: This watch is beautiful with the super black face and bright white contrast of the hands and markings.

Highly recommended.

Follow up

"Follow up"

Verified Owner Comments: Follow up on a 556 I got not too long ago. Still love it. Am going to start selling all my other watches, no need for them any more.

 Picked up a Sinn rubber strap with deployment. The 556 looks great with it. It's all the watch I need.

First but not last....

"First but not last...."

Verified Owner Comments: I have been intrigued by Sinn's for a few years now, and finally decided to purchase a 556. Wow! What a bargain.

This watch just reeks quality, far beyond other brands at this price point. One of the top levels of ETA's tiers for their calibres, I was impressed that it even included blued screws. This is unheard of at this level.

I have two complaints, and believe me I have tried to find faults. 1) I would prefer a matte finish to the dial. This version is slightly shiny (yes, I know this is subjective). 2), the date window is small. That is it. I can hardly wait to get a 6100 regulator....

Sinn 556

"Sinn 556"

Verified Owner Comments: A beauty. My eyes are not the best and I have no problem reading the numbers.

Classic design. Ausgezeichnete Uhr.

Beautiful Watch!

"Beautiful Watch!"

Verified Owner Comments: I couldn't be happier with the purchase.

I wanted the metal bracelet but it was sold out. I have to say it looks great on the black leather strap as well. It shows off the case nicely and gives it the appearance of greater thickness. It fits my 6.75" wrist perfectly. It also looks great on a brown strap. As soon as the metal bracelet becomes available, I'm all over it!

Great value!!!

Beautiful and understated

"Beautiful and understated"

Verified Owner Comments: This is a beautifully made and elegant watch.

I'm a pretty big guy, but the relatively small diameter still looks appropriately sized. I'm very impressed by how good the piece looks, yet it's not in any way ostentatious or fussy. The transparent back is fascinating as well.

Highly recommended.

Amazing watch

"Amazing watch"

Verified Owner Comments: Very happy with the quality of this watch. Sinn has gone back to using top grade ETA 2824-2 movements in the 556, and mine keeps excellent time for an automatic. The level of finishing on the movement is excellent.

Don't like the strap that came with it and couldn't justify the cost of a bracelet, but the strap is easy to change and you can always buy a bracelet from WatchBuys later. I have a green zulu and a brown di modell jumbo that both look very sporty with the 556.

Nice watch!

"Nice watch!"

Verified Owner Comments: I just got a 556 after the holidays, and I can't stop wearing it!

I have TAGs and an Oris, too, but this watch is different from Swiss watches and has so much character. It has a really solid, Teutonic feel to it. The dial is extremely easy to read and the nighttime lume is also quite good. So far over the past couple weeks, it is keeping bang-on time as well.

The 556 is a solid watch and a great value. It has a definite feel of no-nonsense quality, durability, and masculinity, and a classic design. Though it is "only" 38.5mm in diameter, beware that this watch doesn't wear like a midsize watch it wears bigger. I have small 6 1/4" wrists and had to drill an extra hole in the leather strap.

Now if Sinn could only make a 556 in 36mm!

Classic style, great wearing watch

"Classic style, great wearing watch"

Verified Owner Comments: It wears bigger than its 38.5mm.

I have a 7.25'' wrist and it's a perfect size.

Classic!

"Classic!"

Verified Owner Comments: I've had my 556 for a few months now. Works like a champ and looks great with any wardrobe, from the gym to business meetings.

Negative: Scratches on bezel are highlighted by finish. Still not a deal breaker.

Sinn 556

"Sinn 556"

Verified Owner Comments: Gorgeous watch at a fantastic price.

However beware the satinized finish isn't very durable. The 316L steel is quite soft and the grain in the satinized finsh will show even the slightest scratches, ESP those that run perpendicular to the grain. Also the hard edges around the bezel and case ding easily owing to their sharpness.

Still it's a great watch at a reasonable price, no regrets.

Sinn 556 on Strap - Superb Value & Build

"Sinn 556 on Strap - Superb Value & Build"

Verified Owner Comments: I just received my first Sinn watch yesterday. The value of this watch is incredible.

From the moment I took it out of the box I could tell that the build quality was that of watches that are much more expensive. This watch feels so solid on my wrist yet it is not over-sized. I do have a smaller wrist and this 38mm watch fits it perfectly.

I would highly recommend this watch to anyone wanting a solid design, German craftsmanship/engineering, great value, small or medium sized wrist, someone maybe just getting into watch collecting and/or someone who desires a very legible and easy to read dial. I highly recommend it and you will be very pleased with this purchase as well.

Sinn 556 on strap

"Sinn 556 on strap"

Verified Owner Comments: I have a collection of almost 40 watches and this is likely to become my everyday wear watch.

This watch feels good on my wrist unlike some others that pinch or have sharp edges. The crown is set in such a way that it doesn't dig into my wrist when I flex my wrist. The black and white dial and hands present very well thus making this is an easy to read watch without my glasses. I am already receiving complements on my latest addition. The price point can't be beat for this timepiece. The crystal back is an added treat.

This was my first WatchBuys purchase. They were patient, courteous and informative. I will buy from them again.

Great watch !!!

"Great watch !!!"

Verified Owner Comments: This was one of the most pleasant surprizes I'v encountered in a long time.

This is a beautiful watch offering both sporty and elegant look at a very affordable price. A+++