Sinn EZM 3 on Strap

SKU: SI-052

Automatic winding mechanical watch in steel on strap - more details
Case diameter (mm): 40.0
Case thickness (mm): 13.0
Case lug width (mm): 20
Case finish: Matte
Case back: Solid
Case metal: Stainless steel
Dial color: Black
Winding: Automatic
Inert gas: Filled
Copper sulphate: Capsule
Antimagnetic: 80,000 A/m
Manufacturer's limited warranty: 3 years
Warranty service: RGM or Sinn

Earn 3940 WatchPoint Rewards on this purchase

WatchBuys Direct Price: $1,970.00

This watch will ship free guaranteed to arrive on Tuesday, December 23, 2014

Availability: In Stock - Ships Immediately

Sinn EZM 3 on Strap
Sinn EZM 3 on Strap
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Product Details 

The Sinn EZM 3 on strap is the last of the original Sinn EZM series of watches, designed for extreme conditions (the Sinn EZM 1, EZM 2 and EZM 4 models have all been retired). The inert gas filled watch cavity and dehumidifier capsule prevent fogging by guarding against moisture intrusion, and special micro-lubricating techniques allows for operation down to -45 degrees Centigrade.

The case has an iron core to protect against extreme magnetic fields. Sand-blasted stainless steel case with rotating elapsed time bezel. Reversed screw down crown and matte black dial with luminous hands and markings.

This is the perfect mechanical watch for extreme conditions, whether they be water depth (water resistant to 50 atm), temperature or magnetic fields.

This watch is fitted with a black Sinn calf leather strap with white contrast stitching.
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Watch Reviews

"Great watch for a lefty"

Posted by: Peter

Comments about this watch: Although designed with the crown on the 9 o'clock side of the watch to keep the crown from interfering with a righty's hand movement, I find that the crown is well placed, such that it does not interfere with this lefty's hand movement either. 

A plus is that I do not have to take the watch off my right wrist to hack the time (which I don't have to do very often with this watch, since it keeps great time), unlike with most other watches with the crown on the 3 o'clock side. 

Another quality watch from Sinn.


Posted by: neuroperson

Comments about this watch: Just got this as a workwatch, figured it would be good skiing, boating, etc. 

This is a very serious watch, double the features of a Omega or Rolex and 1/3 the price. The leather strap has a casual sporty feel. 

Very happy with the purchase. 

Also my wrist is under 7 inches so this 40 mm feels just big enough. I see this becoming my favorite watch in no time.

"EZM 3"

Posted by: Ian C

Comments about this watch: I have wanted an EZM 3 for quite some time, and I finally decided to pull the trigger two weeks ago.

I could not be happier; the quality of the watch is incredible - extremely well made, amazing attention to detail, and it's +/- 0s over two weeks.

The WatchBuys customer service is equally as good - you will not be disappointed. I do not see this coming off my wrist any time soon.

"Solid purchase"

Posted by: Carlos

Comments about this watch: Some say the outside anti-glare coating may scratch, but if so that is a minor concern in my opinion as it is coated both sides to the best of my knowledge.

Mesmerizing to watch this one tick.


Posted by: Steve O

Comments about this watch: by far the best I own.


"EZM3- Accuracy Great"

Posted by: Brandon D.

Comments about this watch: Have now had this watch for about 8 weeks and it keeps getting more accurate.

Very happy with this purchase and keep getting compliments on it....well done.

"Why did I wait so long?"

Posted by: Herb

Comments about this watch: Rolex quality at 1/5 the price.

Prettier than my Rolex sub. I should have bought one years ago. I'll keep my Rolex, but why did I spend so much money on it?

"EZM 3"

Posted by: Brandon D.

Comments about this watch: Absolutley love my new EZM 3. As an engineer, I really appreciate all of the Sinn Technology inside of this watch and really look forward to enjoying it for years to come.

Watch came on time and appreciated the contact from WatchBuys to make sure everything with my order was ok.

Highly recommend this site.

"New EZM3"

Posted by: Herbert W.

Comments about this watch: Great service.

The EZM3 has the same quality as any of my Rolex at 1/5 the price.


Posted by: Chris

Comments about this watch: Perfect "use any time, go anywhere" watch.

Purposeful built, yet dress watch size and handsome looks. The reason the date wheel was done in red is to separate those numbers from the white numbers going around the dial. Would have looked pretty cluttered there around 4 o'clock. Actually makes sense, and the date is still there for you.

"EZM 3"

Posted by: Will

Comments about this watch: A watch made for the German Border Forces was a fitting choice for my own profession here in America. My proclivity for this watch over other divers was its reasonable size of 40 mm. The EZM 3 is appropriate for any setting from formal business meetings to guarding the border.

As others have stated, the only feature for which this watch can be criticized is its date wheel. The selected color is difficult to read when ambient light is moderate to low luminosity. Sinn designed this watch for nonessential information to disappear during operations. Unfortunately, this feature works all too well.

Nevertheless, the EZM 3 is still a great choice and a worthy addition to any collection.

"All you need in a watch"

Posted by: Wickwatch

Comments about this watch: Super nice "tool" watch.. I have owned many Sinn watches. This is one of my favs..

Great all around, good looks, easy to read dial. Not overstated a pleasure to wear everyday. This one is a keeper..

"Great All 'Rounder"

Posted by: Chuck

Comments about this watch: Absolutely love this watch. I evidently just bought their last one and added the bracelet. Has the typical Sinn quality with a different look than the U series.

Classy and dressy enough to be worn anywhere, but robust enough to be a working diver. I told Matt this has instantly become my favorite watch. I've had more compliments and comments in a couple days than with any other watch I've owned. It wears "big" so looks a little larger on the wrist than its 40mm size would suggest.

Only funky detail is the red date is too hard to read for my tired eyes, but I don't care much about date anyway on my watch.

"A Very Cool Retro-look Diver!"

Posted by: KAT

Comments about this watch: A perfect size diver for those who don't care for the current trend of oversized wrist watches.

As tough, as a watch can be, and I can wear it in any situation.The sandblasted case adds to its sporty, yet serious, appeal The small amount of red script, makes the dial pop. A whole lot of "funky/cool" tool watch goodness here.

I love it!

"No need to pay more"

Posted by: Sean

Comments about this watch: Awesome, last of the great EZM tool watches.

Get one while you can. Love mine.

"My tried and trusted EZM3"

Posted by: Josh S.

Comments about this watch: So how many fine sport watches can you find with a lefty crown? Not too many. Maybe an Oris TT, but it doesn't hold a candle to the Sinn EZM3.

Has been one of the most durable, time reliable and comfortable sport watches I've owned. Tough to find but German engineering to a "T." Pretty cool to trump so many more common place and WatchBuys has been a delight with service. Okay...only bad is that the date dial is in red and a little tough to read at a glance. Other than that the watch has been perfect!

Get one before they're history like rest of EZMs!

"Beautiful and perfect size"

Posted by: Ed

Comments about this watch: At a time when so many dive watches are behemoths, this one is perfectly sized for business or casual dress.

The dial is a classic. And despite what some say, the bezel action is not too loose and pleasing to me.


Posted by: Todd

Comments about this watch: I have owned this watch for a few years now, I love it, a beautiful watch.

"Next best thing to an EZM1"

Posted by: Garrett H.

Comments about this watch: If you liked the EZM1 then you need to get the EZM3.


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