TUDOR watch. Black Bay Chrono. Steel case with polished and satin finish. Domed sapphire crystal. 41mm case. Black leather strap with removable bund with folding clasp and safety catch. Opaline dial with black 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. Waterproof to 200M.