TUDOR watch. Black Bay 41 S&G. Steel case with polished and satin finish. Steel and yellow gold bracelet, polished and satin finish, with steel “T-fit” folding clasp and safety catch. Silver with diamond hour markers. Fixed bezel in yellow gold. Manufacture Calibre MT5601 (COSC) Self-winding mechanical movement with bidirectional rotor system. Waterproof to 100M.