Black Bay 31 S&G

31 mm steel case with polished and satin finish. Includes a fixed bezel in yellow gold, silver domed dial and a steel and yellow gold bracelet, polished and satin finish, with steel "T-fit" folding clasp and safety catch. Manufacture Calibre MT5201 (COSC), self-winding mechanical movement with bidirectional rotor system integrated construction. This watch has a yellow gold screw-down winding crown with the TUDOR rose in relief. It also includes flat sapphire crystal and is waterproof to 100 m (330ft). Sixty years of TUDOR diving history distilled into one truly iconic watch. The Black Bay has been updated for 2016 with a mechanical movement manufactured by TUDOR.