TUDOR Black Bay 36 S&G

36 mm steel case, Steel and yellow gold bracelet. Fixed bezel in yellow gold.  Manufacture Calibre MT5400 (COSC) Self-winding mechanical movement with bidirectional rotor system. Black dial. Flat sapphire crystal. Waterproof to 100 m (330 ft). Steel and yellow gold bracelet, polished and satin finish, with steel “T-fit” folding clasp and safety catch.Yellow gold screw-down winding crown with the TUDOR rose in relief