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