31 mm steel case, Steel and yellow gold bracelet
Tudor
Black Bay
31 mm steel case with polished and satin finish
Fixed bezel in yellow gold
Manufacture Calibre MT5201 (COSC). Self-winding mechanical movement with bidirectional rotor system. Integrated construction
COSC certified - Official Swiss Chronometer Testing Institute
Black
Yellow gold screw-down winding crown with the TUDOR rose in relief
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