Black Bay 31 S&G

31 mm 316L Steel case with polished and satin finish. The movement is manufacture calibre MT5201 (COSC) and self-winding mechanical movement with bidirectional rotor system and integrated construction. Power reserve of approximately 50 hours and this watch is 100 m (330 ft) waterproof. This watch has a Yellow Gold screw-down winding crown with the TUDOR rose in relief and a fixed bezel in Yellow Gold set with Diamonds. Includes a Steel and Yellow Gold bracelet, polished and satin finish with Steel "T-fit" folding clasp and safety catch. The dial is Silver with Diamond hour markers and the crystal is flat sapphire crystal. In 2017, TUDOR introduced a new steel and gold version to the famous Black Bay family, featuring for the first time a new date function.