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  • EZM 1.1 S

    Celebrating 25 years of the mission timer: the strictly limited anniversary edition EZM 1.1 S

    EZM 1.1 S
  • EZM 1.1 S
  • EZM 1.1 S
  • EZM 1.1 S
  • EZM 1.1 S
  • EZM 1.1 S


Product number: 506.020 PDF

EZM 1.1 S

This set includes the following bracelets:
This model is no longer available in our current range.
EZM 1.1 S

Always ready for use: our mission timers have now been part of our range for 25 years and like the EZM 1.1 S, they are always ready for action. This mission timer has everything it takes to stand its ground even under the most adverse conditions. We have equipped it with the technology necessary for the most demanding of missions: such as Ar-Dehumidifying Technology for greater functional reliability and freedom from fogging and Temperature Resistance Technology for reliable function in temperatures of –45°C to +80°C. The bead-blasted surface of the stainless-steel case has also been hardened using TEGIMENT Technology, which forms the basis for the Black Hard Coating. This gives the chronograph a high-quality, modern and professional feel. This combination is the most durable form of black coating that is feasible according to the latest advancements in technology.

<b>Stop function from the dial centre for optimal readability</b>

To complete its core mission of unhindered and accurate time measurement, the EZM 1.1 S must have taker qualities and be able to function with instrument-like precision. The top priority is the need for outstanding readability at a glance – a prerequisite in time-critical situations – and even under the most adverse conditions. The EZM 1.1 S therefore features the perfect SINN chronograph movement: the SZ01. Based on the tried-and-tested Concepto C99001, the SZ01 is designed in such a way that the watch has a jump 60-minute stop hand from the dial centre. This enables stop times to be recorded more easily, quickly and accurately. Firstly, 60 rather than 30 minutes are counted in one sweep of the hand. Secondly, the minute stop scale covers the entire diameter of the dial.  

<b>Field-proof down to the last detail</b>

Another useful instrument for recording cumulative time, besides the chronograph function, is the captive countdown pilot’s bezel with minute ratcheting, which can be rotated on both sides. Its captive design makes it virtually impossible for it to become detached from the case. In the interest of readability and timekeeping, all markings on the dial not relevant to the mission are muted in red. We have also carefully positioned the crown and push-piece on the left side of the case to prevent pressure on the back of the hand and keep the watch from getting caught, even in time-critical situations. All of this makes the EZM 1.1 S field-proof down to the last detail.

<b>Special anniversary edition</b>

Created for optimal readability, the design of the EZM 1.1 S stands on the shoulders of tried-and-tested models. This chronograph is actually a special limited edition (500 pieces) to mark the 25th anniversary of our mission timers. It all started in 1997 with the now legendary EZM 1 – a chronograph that set benchmarks in terms of functionality and clarity. Unsurprisingly really, considering it was designed for professional users who have to rely implicitly on their watch because the success of the mission and sometimes even human lives depend on it. Professional users such as the German Central Customs Support Group, ZUZ (Zentrale Unterstützungsgruppe Zoll), a special unit assigned to the German Customs Investigation Bureau – much like a special police commando unit.

<b>Form follows function</b>

This founding watch created the design DNA for all subsequent mission timers: the design should be based exclusively on its intended function, i.e. form follows function. Whether pilots, divers, firefighters, emergency doctors, rescue workers, special units of the German police force such as the GSG 9 and Germany’s commando frogman force KSM (Kommando Spezialkräfte der Marine), each mission timer is designed precisely according to this principle, based on individual requirements. The key is in working with the experts – in other words, with those who actually use the watches. Especially since the conditions in which our mission timers have to prove themselves are as varied as they are challenging: including wetness, magnetism, extreme heat and cold, major changes in temperature, vibrations, impact and knocks as well as aggressive liquids such as salt water or disinfectant. And often, everything at once. Basically, our mission timers have to withstand a great deal – especially when the going gets tough.

<b>Focus on the key essentials</b>

Since each mission timer is equipped with the relevant functions for the operation’s specific requirements, no two are the same. Yet they are united by one common principle of construction and design: focus on the key essentials in terms of outstanding readability and rapid time recording. Incidentally, these are virtues that also please watch lovers who do not necessarily have to cope with life-threatening missions in their everyday lives. People who appreciate the fact that a watch like the EZM 1.1 S is an accurate, reliable and extremely robust timepiece.

Special characteristics
  • Limited to 500 pieces
  • SINN movement SZ01
  • 60-minute stop function from the dial centre
  • Case made of stainless steel, bead-blasted
  • Black Hard Coating on a TEGIMENT Technology basis
  • Ar-Dehumidifying Technology ensures greater functional reliability and freedom from fogging
  • Functionally reliable from ?45°C up to +80°C
  • Crystal made of sapphire crystal
  • Crown on the left side of the case to prevent pressure on the back of the hand
  • Captive pilot’s bezel with minute ratcheting
  • Mission timer design for optimal readability
  • Waterproof and pressure-resistant to 20 bar
  • Resistant to low pressure

Technical details

SINN Movement SZ01
Self-winding mechanism
28 bearing jewels
28,800 semi-oscillations per hour
Seconds stop function
Anti-magnetic as per DIN 8309

The information on the mechanical movement corresponds to the current production situation in Frankfurt am Main. Due to technical changes, it may happen in individual cases that stock items of our sales partners deviate from this information.

Case made of stainless steel, bead-blasted
Sapphire crystal glass in front, anti-reflective on both sides
Case back screw-fastened
Crown screwable
Meet the technical requirements for waterproofness, as set out in standard DIN 8310
Waterproof and pressure-resistant to 20 bar
Low pressure resistant
Hours, minutes
Date display
60-minute stop function from the dial centre
Pilot’s bezel with luminous key mark
SINN Technologies
Black Hard Coating on a TEGIMENT Technology basis
Ar-Dehumidifying Technology enhances functional reliability and freedom from fogging
Functionally reliable from –45°C up to +80°C
Captive bezel
Push-pieces with D3-System
Dimensions and Weight
Case diameter: 43 mm
Band lug width: 22 mm
Case thickness: 16,4 mm
Weight without strap: 106 gramme
Dial and Hands
Mission timer design for optimal readability
Matte black dial
Indices coated with luminescent colour
Hour and minute hand coated with luminescent colour
Stopwatch minute and stopwatch second hand coated with luminescent colour

EZM 1.1 S configure

Watch strap
Leather strap
Silicone strap
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Warranty statement

In addition to the statutory warranty, we – Sinn Spezialuhren GmbH, Wilhelm-Fay-Strasse 21, 65936 Frankfurt am Main – provide a manufacturer’s warranty against material and manufacturing defects for the watch EZM 1.1 S.

The warranty period is 3 years.

The warranty period is calculated from the invoice date.

Our warranty is applicable worldwide.

If you wish to make a warranty claim, we will repair the watch for you at no additional cost.

Warranty claims are excluded in the event of damage caused by:

  • Improper use
  • Repairs or attempted repairs which were not carried out by us or our authorised partners. A list of authorised partners can be found in the Sales and Service Partners menu on our website
  • Signs of wear and tear, especially to straps
  • The use of force (blows, knocks, impact)

Loss of your waterproof watch’s water resistance is also excluded 24 months from the date of purchase.

Please inform us – Sinn Spezialuhren GmbH by phone +49 (0) 69/97 84 14-400 or email – as soon as you are aware of the potential warranty claim to avoid further damage. In order to approve the warranty, we will need the watch and proof of purchase (invoice) with a detailed description of the damage.

In the event of a warranty claim, we bear the costs of sending and returning the watch as well as the transport risk, provided that the transport is carried out by the transport company specified by us and the watch has been securely packaged. Please contact us by phone +49 (0) 69/97 84 14-400 or email Otherwise, as the customer, you will bear the costs of the shipment and the transport risk.

Any costs incurred for customs duties, import duties and other fees incurred when the watch is returned to the recipient country must be borne by the recipient.

We provide this warranty in addition to your existing statutory rights for defects. These rights are not restricted by the warranty and they can be exercised free of charge.

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