| - | - |
|---|---|
| Founded | 1961 |
| HQ | Frankfurt am Main, Germany |
| Employees | ~50 |
| Revenue | Not disclosed (private company) |
| Positioning | German tool watchmaker; functional engineering without luxury markup |
Sinn Spezialuhren was founded in 1961 in Frankfurt am Main by Helmut Sinn, a former WWII pilot and flight instructor. The company started with navigation cockpit clocks and pilot chronographs.
In 1994, engineer Lothar Schmidt (formerly of IWC) acquired the company and expanded its technical capabilities. Under Schmidt, Sinn developed proprietary technologies: Tegiment surface hardening for scratch resistance, Ar-Dehumidifying technology to prevent fogging, HYDRO oil-filled cases for underwater legibility, and cases made from German submarine steel.
Sinn holds certifications including TESTAF (Technical Standard for Pilot's Watches) and partners with institutions like the Frankfurt police and German customs for purpose-built mission timers (the EZM series — Einsatzzeitmesser, "mission timer").
The brand sits in the mid-range segment, from under €1,000 for quartz models to over €5,000 for professional chronographs. Production stays in Frankfurt. Distribution is limited — mostly direct and through select retailers in Germany, with growing international presence.
Sinn appeals to buyers who want functional engineering without luxury markup. The philosophy is closer to instrument-making than jewelry.
Watches
Pilot & Field
Sinn 556
Sinn 836
Sinn 856 S UTC
Sinn 936
Sinn 544 RS
Frankfurt Financial District
Sinn 1739 Ag B
Sinn 6033 B
Sinn 6060 B
Sinn 6068 B
Sinn 6096