41 mm steel case with polished and satin finish Manufacture Calibre MT5652 (COSC) Self-winding mechanical movement with bidirectional rotor system Power reserve of approximately 70 hours Yellow gold screw-down crown, with the TUDOR rose in relief, with circular satin-brushed steel winding crown tube Waterproof to 200 m (660 ft) 48-notch bidirectional rotating bezel in yellow gold with 24-hours graduated matt brown and black anodised aluminium disc Black, domed sapphire crystal Riveted steel and yellow gold bracelet with polished and satin finish