Winding Crown Yellow gold screw-down winding crown with the TUDOR rose in relief
Glass: Flat sapphire crystal
Collection: Black Bay 31/36/39/41
Case: 36-mm steel case with polished and satin finish
Waterproofness: Waterproof to 100 m (330 ft)
Clasp: Steel and yellow gold bracelet, polished and satin finish, with steel “T-fit” folding clasp and safety catch
Movement: Manufacture Calibre MT5400 (COSC) Self-winding mechanical movement with bidirectional rotor system