Genuine original vintage watch parts from Sinn. Carefully inspected by our team. Guaranteed authenticity. Next day worldwide shipping from France with tracked delivery.

Founded in 1961 by Helmut Sinn, Sinn Spezialuhren is a German watch brand renowned for its highly functional, robust, and technically innovative tool watches, particularly for pilots, divers, and special forces. The brand focuses on extreme durability, legibility, and resistance to external influences. Famous models include the 103 chronograph, the U1 dive watch made from submarine steel, and the EZM (Einsatzzeitmesser) series. Sinn primarily uses modified Swiss ETA or Sellita movements, incorporating proprietary technologies like Ar-Dehumidifying Technology and DIAPAL lubrication-free escapements. Sinn embodies German engineering excellence and uncompromising functionality.