Sinn Spezialuhren U1 S L

The Sinn U1 S L, reference 1010.0243, is a limited edition of 300 pieces with a 44 mm German Submarine Steel case. This dive watch is water resistant to 1000 metres, with a case thickness of 14.7 mm. Black Hard Coating covers a TEGIMENT-hardened base. A hybrid ceramic dial displays central seconds under sapphire crystal. Calibre SW200-1 has automatic winding. The captive rotating diver's bezel ratchets in minute steps, and the crown screws down.