Tudor Black Bay

41 mm steel case with polished and satin finish. Manufacture Calibre MT5602 (COSC) Self-winding mechanical movement with bidirectional rotor system. Steel unidirectional rotatable bezel with disc in matt blue anodised aluminium. Black dial with grey index, domed. Screw-down steel winding crown, with the TUDOR rose engraved and black-lacquered, with blue anodised aluminium winding crown tube. Domed sapphire crystal. Waterproof to 200 m (660 ft). Blue aged leather strap with folding buckle and safety clasp

42 mm 316L steel case with satin finish. Manufacture Calibre MT5612 (COSC) Self-winding mechanical movement with bidirectional rotor system. 60-notch, 12-hour graduated steel bidirectional rotating bezel with stop system for the bidirectional rotating bezel via a mobile end-link at 12 o'clock. Black dial, domed. Screw-down steel winding crown at 4 o'clock, with the TUDOR logo in relief. Domed sapphire crystal. Waterproof to 200 m (660 ft). Brown leather strap with folding clasp