TUDOR watch. Black Bay Chrono. Steel case with polished and satin finish. Domed synthetic sapphire crystal. 41mm case. Black fabric strap with buckle. Black dial with silver counters, domed. Fixed 316L steel bezel with matt black anodised aluminium disc with tachymetric scale and silver markings. Manufacture Calibre MT5813 (COSC) Self-winding mechanical movement with bidirectional rotor system. Approximately 70 hour power reserve. Date. Waterproof to 200M.