36mm steel case with polished and satin finish. Manufacture Calibre MT5400 (COSC). Self-winding mechanical movement with bidirectional rotor system. Power reserve of approximately 70 hours. Yellow gold screw-down winding crown with the TUDOR rose in relief. Waterproof to 100m (330 ft). Fixed bezel in yellow gold set with diamonds, Silver with diamond hour markers. Sapphire crystal. Steel and yellow gold bracelet, polished and satin finish, with steel “T-fit” folding clasp and safety catch.