Black Bay One 31 S&G

31mm steel case, Steel and yellow gold bracelet

CASE: 31mm 316L steel case with polished and satin finish

BEZEL: Fixed bezel in solid yellow gold

MOVEMENT: Manufacture Calibres MT5201 (COSC) Self-winding mechanical movement with bidirectional rotor system

DIAL: Silver

WINDING CROWN: Screw-down winding crown with the TUDOR rose in relief. Steel covered by a 0.1mm yellow gold cap

CRYSTAL: Flat sapphire crystal

WATERPROOFNESS: Waterproof to 100m (330 ft)

BRACELET: First center links in steel or solid yellow gold. Remaining center links in steel or steel covered by a 0.2mm yellow gold cap. TUDOR "T-fit" folding clasp with safety catch. The logo on the catch is made of solid yellow gold