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Sinn
Sinn is a German watch manufacturer founded in 1961 by Helmut Sinn, a former pilot and flight instructor. Initially known as “Helmut Sinn Spezialuhren,” the brand focused on making high-precision cockpit clocks and pilot chronographs at accessible prices. Sinn quickly earned a reputation for tool watches with exceptional legibility and reliability, often favored by pilots, divers, and professionals in demanding environments. In 1994, engineer Lothar Schmidt acquired the company and transformed it into a leading innovator in technical watchmaking. Sinn pioneered technologies such as Ar-Dehumidifying capsules to prevent fogging, Tegimented steel for superior scratch resistance, HYDRO oil-filled cases for perfect underwater visibility, and DIAPAL lubrication-free escapements. The brand’s timepieces—like the 103 chronograph, U1 diver, and EZM mission timers—embody the German ethos of function over form. Today, Sinn remains independent, manufacturing in Frankfurt am Main, and is respected worldwide for its uncompromising engineering and professional-grade durability.
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| Brand: | Sinn |
| Model: | Pilot Chronograph |
| Movement: | Handwound |
| Functions: | Hours, Minutes, Chronograph, date |
| Dial: | Black dial, Baton hands |
| Case Size: | 41mm (strap width: 20mm; lug-to-lug: 44mm; thickness: 10mm) |
| Crystal: | Plexiglass |
| Bracelet: | Leather strap |
| Year: | 1993 |
| Box & Papers: | None |
