41-mm steel case with polished and satin finish + Steel unidirectional rotatable bezel with disk in matte black anodized aluminum + Manufacture Caliber MT5602 (COSC) Self-winding mechanical movement with bidirectional rotor system + Screw-down steel winding crown, with the TUDOR rose engraved and black-lacquered, with black anodized aluminum winding crown tube + Domed sapphire crystal + Waterproof to 200 m (660 ft) + Aged black leather strap with folding buckle and safety clasp