42 mm titanium and steel case with satin finish Numbered steel case back Titanium unidirectional rotatable 60-minute graduated bezel with ceramic matt black disc and graduations with beige luminescent coating Manufacture Calibre MT5612-LHD (COSC) Self-winding mechanical movement with bidirectional rotor system Black dial Titanium screw-down winding crown at 9 o’clock with the TUDOR logo Automatic helium escape valve at 3 o’clock Sapphire crystal Titanium bracelet with folding clasp and safety catch in steel with bracelet extension system developed and patented by TUDOR