Five year guarantee.41 mm steel case with polished and satin finish. Manufacture Calibre MT5612 (COSC). Self-winding mechanical movement with bidirectional rotor system. Power reserve of approximately 70 hours.Yellow gold screw-down winding crown, with the TUDOR rose engraved and lacquered in black, with black anodised aluminium winding crown tube. Waterproof to 200 m (660 ft).Unidirectional rotating bezel in yellow gold with 60-minute graduated matt black anodised aluminium disc, gold markings. Domed champagne-colour, dial. Domed sapphire crystal. Brown fabric strap with buckle.