TUDOR Black Bay 31 S&G, 31 mm 316L steel case with polished and satin finish. Manufacture Calibre MT5201 (COSC). Self-winding mechanical movement with bidirectional rotor system. Integrated construction. Power reserve of approximately 50 hours. Yellow gold screw-down winding crown with the TUDOR rose in relief. Waterproof to 100 m (330 ft). Fixed bezel in yellow gold set with diamonds. Silver dial. Flat sapphire crystal. Steel and yellow gold bracelet, polished and satin finish, with steel “T-fit” folding clasp and safety catch.
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