Five year Guarantee Five-year transferable guarantee with no registration or periodic maintenance checks required Case 41mm steel case with polished and satin finish Movement Manufacture Calibre MT5652 (COSC) Self-winding mechanical movement with bidirectional rotor system Built-in architecture Power Reserve Power reserve of approximately 70 hours Winding Crown Yellow gold screw-down crown, with the TUDOR rose in relief, with circular satin-brushed steel winding crown tube Waterproofness Waterproof to 200m (660 ft) Bezel 48-notch bidirectional rotating bezel in yellow gold with 24-hours graduated matt brown and black anodised aluminium disc Dial Black, domed Crystal Domed sapphire crystal Bracelet Steel and yellow gold bracelet with folding clasp and safety catch