Sinn EZM 1.1 Limited Edition

Limited Edition 500 Pieces

The next evolution of the legendary Sinn EZM 1

Permanently Sold Out
• Case diameter (mm): 43
• Case thickness (mm): 16.5
• Case lug width (mm): 22
• Weight - head only (grams): 105
• Case back: Solid
• Case finish: Matte
• Case metal: Tegimented hardened steel
• Dial color: Black
• Front crystal: Sapphire
• Tegimented: Fully
• Inert gas: Filled
• Sinn calibre: SZ-01
• Copper sulphate: Capsule
• Movement: Automatic mechanical
• Manufacturer's limited warranty: 3 years
• Warranty service: Sinn Germany
° Earn 9720 WatchPoint Rewards on this purchase
Permanently Sold Out
Sinn EZM 1.1 Limited Edition
Sinn EZM 1.1 Limited Edition
Sinn EZM 1.1 Limited Edition
Sinn EZM 1.1 Limited Edition
Sinn EZM 1.1 Limited Edition
Sinn EZM 1.1 Limited Edition
Sinn EZM 1.1 Limited Edition
Sinn EZM 1.1 Limited Edition
Sinn EZM 1.1 Limited Edition
Sinn EZM 1.1 Limited Edition
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Product Details

This Limited Edition Watch is Permanently Sold Out

Ask anyone who knows anything about Sinn watches what their favorite Sinn watch is of all time, and odds are they will respond "the Sinn EZM 1".

Even those new to the brand quickly learn about the Sinn EZM 1 and we receive questions on almost a daily basis about the possible return of this watch.

This new watch celebrates two significant events in Sinn's history - the first is the 20th year of producing Mission Timer (EZM) watches, and the second is the company's move to new production facilities in Frankfurt Am Main on September 1, 2017.

Background - Why Is the Sinn EZM 1 So Special?

In 1997, Sinn introduced their first mission timer to the public - a chronograph that was virtually unbeatable in terms of functionality and clarity: the Sinn EZM 1. Made of titanium, the Sinn EZM 1 marked the ongoing development of a long range of mission timers for professional users.

To create the first Sinn EZM 1, the company worked with officials from what was then the newly established German Central Customs Support Group, ZUZ (Zentrale Unterstutzungsgruppe Zoll).

The ZUZ was designed as a special unit assigned to the German Customs Investigation Bureau, much like a special police commando unit.

Because accurate time measurement is essential for such units when carrying out what can sometimes be extremely risky operations, members of the this special unit opted for a highly robust chronograph with instrument-like precision.

The number one requirement was the need for outstanding readability at a glance, a prerequisite in time-critical situations even under the most adverse conditions. The Sinn EZM 1 was the result of a direct collaboration between ZUZ officers and Sinn's engineers and master watchmakers.

Sinn's SZ-01 Calibre - A Movement With Unique Features

The Sinn Calibre SZ-01 which powers the Sinn EZM 1.1 Limited Edition was developed in-house and is based on the Valjoux 7750.  This movement is designed in such a way that the watch has a center-mounted 60 minute chronograph hand.

Unlike the original Sinn EZM 1, the Sinn EZM 1.1 Limited Edition actually improves this functionality by creating a chronograph hand which jumps precisely to the next elapsed minute marker rather than continuously moving.

Sinn spent more than seven years developing their SZ-01 calibre, and the design is modeled on the clear and precise legibility of the renowned Lemania 5100 movement which powered the first Sinn EZM 1 and is no longer in production.

In terms of legibility, Sinn's calibre SZ-01 offers two advantages over typical chronographs: 60 minutes rather than the usual 30 minutes are counted in one sweep of the hand, and the minute stop scale covers the entire diameter of the dial.

In addition to the chronograph function, the pilot's bi-directional rotating bezel can be used to record cumulative time. This bezel is screwed to the case using an exclusive Sinn design to prevent accidental detachment, and features minute ratcheting.

To further aid readability and the accurate recording of time, all markings on the dial not relevant to the mission are muted in red.

An additional special feature of this chronograph is the relocation of both the crown and pushers to the left side of the case to prevent pressure on the back of the hand and to keep the watch from getting caught during physical operations.

Summary of Technologies

The Sinn EZM 1.1 Limited Edition takes full advantage of Sinn's expertise in creating technological advancements for watches, including:

  • Sinn SZ-01 calibre
  • Centrally mounted elapsed 60 minute chronograph hand
  • Jump minutes function with chronograph operation
  • Case made in-house of Tegimented steel by Sinn's case manufacture SUG in Glashutte, Germany
  • Case is matte and bead blasted to cut reflections
  • Dehumidifying technology enhances functional reliability and provides freedom from fogging
  • Screwed pilot's bezel with minute ratcheting
  • Sapphire crystal glass
  • Water resistant to 200 meters
  • Low pressure resistant
  • Screw down crown
  • Sinn's D3 System integrates the crown and pushers into the case removing the tube inserts
  • Limited edition of 500 pieces

Differences From the Original Sinn EZM 1

The new Sinn EZM 1.1 Limited Edition differs from the original model in the following ways:

  • Fully Tegimented hardened bead blasted matte stainless steel case replaces titanium
  • Chronograph hand precisely jumps to the next elapsed minute marker rather than continuously moving
  • Case diameter is 43 mm rather than 40 mm
  • Lug width is increased to 22 mm from 20 mm
  • New bezel design is screwed to the case to prevent accidental detachment
  • Water resistant to 200 meters (original was 300 meters)
  • Dial is marked SZ-01 at 9 rather than 3H
  • New D3 crown and pusher system for protection against dust, debris and moisture
  • Integrated rubber strap design leaves no gap between the strap and case
  • Warranty is increased to three years from two 
  • Sinn Calibre SZ-01 has replaced the discontinued Lemania 5100
  • SuperLuminova is now used in place of tritium
  • Special packaging with two straps and tools
  • Limited to 500 pieces

Special Packaging and Straps

A watch this special deserves special packaging.

Sinn has incorporated a black, vintage style cowhide strap with red stitching, black silicone rubber strap with Tegimented buckle, Sinn strap replacement and changing tool and additional spring bars.

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, 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 service center, RGM Watch Service located in Mount Joy, Pennsylvania. This added service saves our clients the time and effort of returning their watches to Germany for repair. This benefit 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 contact us and we'll provide instructions for shipping the 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 FedEx 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.

TESTAF Certified Pilot's Watches

Lothar Schmidt, Sinn's CEO and owner had long been disturbed by a lack of technical standards for defining a "pilot's watch". As an engineer, Mr. Schmidt was fluent in standards for diver's watches, anti-magnetic watches and the many other technological standards used to manufacture watches.

A widely used reference for standards is DIN, or the Deutsches Institut fr Normung (German Institute for Standardization). Oddly, he discovered there were no DIN standards to cover pilot's watches where such standards existed for example for diver's watches.

The new "Technical Standard for Pilot's Watches" (TESTAF) was developed by the Aachen University of Applied Sciences and establishes the suitability for professional use as a pilot's watch.

  • View Sinn watches in the TESTAF Series