TUDOR Black Bay S&G 39 mm steel case, Steel and yellow gold bracelet. Fixed bezel in yellow gold set with diamonds. Manufacture Calibre MT5602 (COSC) Self-winding mechanical movement with bidirectional rotor system. Black with diamond hour markers. Flat sapphire crystal. Yellow gold screw-down winding crown with the TUDOR rose in relief. 
Waterproof to 100 m (330 ft). Steel and yellow gold bracelet, polished and satin finish, with steel “T-fit” folding clasp and safety catch.

Brand: TUDOR M79673-0005
Tudor Bracelet Sizing Guide