– 42 mm titanium and steel case with satin finish – Unidirectional rotatable bezel in titanium, graduated over 60 minutes with ceramic matt blue disc and graduations with white luminescent material – Manufacture Calibre MT5612 (COSC) Self-winding mechanical movement with bidirectional rotor system – Blue with white index –  Titanium winding crown with TUDOR logo in relief Helium escape valve at 9 o’clock – Sapphire crystal – Waterproof to 500 m (1,640 ft) – Titanium bracelet with folding clasp and safety catch in steel with bracelet extension system developed and patented by TUDOR – Download Size Guide