Case: 42mm titanium and steel case with satin finish Numbered steel case back nBezel: Titanium bracelet with folding clasp and safety catch in steel with bracelet extension system developed and patented by TUDORnBracelet: Waterproof to 500m (1,640 ft)nWaterproof:Sapphire crystalnCrystal:Titanium screw-down winding crown at 9 o’clock with the TUDOR logo in relief Automatic helium escape valve at 3 o’clocknWinding Crown: BlacknDial:Manufacture Calibre MT5612-LHD (COSC) Self-winding mechanical movement with bidirectional rotor systemnMovement:Titanium unidirectional rotatable 60-minute graduated bezel with ceramic matt black disc and graduations with beige luminescent coating