TUDOR watch. Black Bay Chrono S&G. Steel case with polished and satin finish. Riveted steel and yellow gold bracelet, polished and satin finish, with folding clasp and safety catch. Domed sapphire crystal. 41mm case. Champagne-color dial with black counters. Fixed yellow gold bezel with matt black anodized aluminium disc with tachymetric scale. Manufacture Calibre MT5813 (COSC) Self-winding mechanical movement with bidirectional rotor system. Date. Waterproof to 200M.