41 mm steel case with polished and satin finish Unidirectional rotating bezel in steel with 60-minute graduated steel disc, black engraved markings Manufacture Calibre MT5612 (COSC) Self-winding mechanical movement with bidirectional rotor system Black, domed dial Screw-down steel winding crown, with the TUDOR rose engraved and black-lacquered, with black anodised aluminium winding crown tube Domed sapphire crystal Steel bracelet with folding clasp and safety catch