The company was founded by Helmut Sinn, a pilot and instructor for blind flight.



The first automatic watch in space was the SINN chronograph Model 140 S. The physicist and astronaut Prof. Dr. Reinhard Furrer proved for the first time during the D1 mission with Model 140 S lthat SINN automatic watches also work in weightless environments.



Engineer Lothar Schmidt acquired the company; a new technological era began for SINN.


First development: Model 244 made of pure titanium with magnetic field protection and a freely oscillating suspended movement.



First 22-carat yellow gold watch with a material hardness equal to that of stainless steel (220 HV).


Ar-Dehumidifying Technology – First used in Model 203 Ti Ar.



Development of HYDRO Technology in the current form with a volume-compensating back. First Model 403 HYDRO EZM 2.



Ar-Dehumidifying Technology perfected in conjunction with SINN special oil to create a watch able to withstand both cold (– 45 °C) and heat (+ 80 °C).



Endurance test of Model 303 KRISTALL during the Yukon Quest.



SUG (Sächsische Uhrentechnologie GmbH Glashütte) is founded in Glashütte.


The Frankfurter Financial District Watch – Launch of a new series – a milestone for Sinn Spezialuhren.



40th anniversary of the company.


Launch of DIAPAL Technology, which facilitated the lubricant-free operation of the Swiss anchor escapement.



TEGIMENT Technology was used for the first time in Model 756.



Use of German submarine steel for diving watches.


Certification of the pressure resistance of the diving watches by Germanischer Lloyd, Hamburg*.


*now DNV GL



For the first time ever, diving watches were registered as diving equipment for an official certification and tested and certified in accordance with the European diving device standards EN205 and EN14143 by Germanischer Lloyd, Hamburg*.

*now DNV GL



50th anniversary of the company.


Launch of the anniversary chronograph 358 Anniversary, limited edition of 500 timepieces, with SINN movement SZ05.


Launch of the EZM 10 – the result of a long term development idea and process at SINN movement SZ01 (centre-mounted 60-minute jump stopwatch hand).



Aachen University of Applied Sciences and Sinn Spezialuhren present the first technical standard for pilot watches (Technischer Standard Fliegeruhren – TESTAF) on 19 July 2012 at the headquarters of the leading helicopter and aircraft component manufacturer Eurocopter** in Donauwörth.


Sinn Spezialuhren presents the world’s first watches certified according to TESTAF. In the first series of trials, three SINN models EZM 10 TESTAF, 103 Ti TESTAF and 103 Ti UTC TESTAF meet the requirements.


**now Airbus Helicopters



At the request of Sinn Spezialuhren, the German Institute for Standardization is developing the first standard for pilot watches in line with German Industry Standard DIN 8306 for diving watches. This new draft DIN 8330 is based on the technical standard for pilot watches (TESTAF), which will continue to be valid for testing and certifying pilot watches.



Launched in 1999, the Frankfurt Financial District Watch is celebrating its 15th anniversary. As a result, Sinn Spezialuhren is presenting Frankfurt Financial District Watch models 6052 and 6099. For the Frankfurt Financial District Watch 6052, we have developed the SZ03, which enables calendar week display.


On 24 October 2014 Robert Alan Eustace parachutes from the stratosphere at a height of 41,419 metres. Along for the ride is the 857 UTC TESTAF, which has been integrated into the sleeve of his special suit.



Since 2015, Sinn Spezialuhren has been operating from its new sales and workshop rooms in the impressive town hall square (Römerberg) in Frankfurt’s old town. With its branch in the historic Haus zum Goldenen Rad (house of the golden wheel), the company is reaffirming its close affiliation with Frankfurt and offering an attractive inner-city alternative to its headquarters in Rödelheim, which continues to produce and sell SINN watches.


Groundbreaking ceremony at the new company headquarters in Frankfurt- Sossenheim.


As of the third quarter of 2017, the new address will be Wilhelm-Fay-Strasse 21, 65936 Frankfurt am Main. Although staying in Frankfurt, the company will be moving into new headquarters in the district of Sossenheim.



Sinn Spezialuhren celebrates its 55th anniversary. Three anniversary watches mark the occasion: the 556 Anniversary (limited to 1,000 pieces), the 910 Anniversary (limited to 300 pieces) and the 6200 Meisterbund I, which is limited to 55 pieces. Model 6200 Meisterbund I


Three masters of their trade – Sinn Spezialuhren, Sächsische Uhrentechnologie Glashütte (SUG) and Uhren-Werke-Dresden (UWD) – come together for an exciting project in which all essential parts of the watch are made in Germany.


Time capsule pays attention to the importance of the new building.


In memory of the foundation stone ceremony on 31 July 2015 a time capsule will be buried in the middle of the new company building. A specially engraved commemorative plaque will capture this day for generations to come.


New “DIN 8330 Horology-Aviator” for pilot watches.


For the first time in decades, the German Institute for Standardisation (DIN) publishes a new German watch standard: DIN 8330 for pilot watches, which is based on the technical standard for pilot watches (TESTAF) initiated by Sinn Spezialuhren. The impetus to develop the standard also comes from SINN. The 103 Ti IFR, 103 Ti UTC IFR and 857 UTC VFR are the world’s first pilot watches certified according to DIN 8330.



Sinn Spezialuhren moves into its new headquarters Frankfurt-Sossenheim on September 1st. The move marks an extremely important milestone. In addition to the production of high-quality timepieces, the location Sossenheim will be focused on direct sales from a dedicated showroom, as well as customer service tasks.


20 years of mission timers: The EZM 1 - the first mission timer was designed in 1997 for this special unit of German customs Support, initiated the development of an extremely successful range spanning 20 years. The high quality of the mission timers distinctly defines the profile – making them highly regarded by professionals (for whom they are also intended): including pilots, divers, firefighters, emergency doctors, rescue workers, special units of the German police department and armed forces such as the GSG 9, Germany’s commando frogman force, KSM (Kommando Spezialkräfte der Marine), and the special unit of the German Central Customs Support Group, ZUZ (Zentrale Unterstützungsgruppe Zoll).

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