Black Bay One 31

Five year Guarantee

Five-year transferable guarantee with no registration or periodic maintenance checks required

Case

31mm steel case with polished and satin finish. Lugs: 17mm lug width. Case thickness: 9.5mm

Movement

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

Power Reserve

Power reserve of approximately 50 hours

Winding Crown

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

Waterproofness

Waterproof to 100m (330 ft)

Bezel

Fixed bezel in solid yellow gold

Dial

Silver with diamond hour markers

Crystal

Sapphire crystal

Bracelet

First center links in steel or solid yellow gold. Remaining centre links are made of a steel core capped with 0.2mm of yellow gold. TUDOR "T-fit" folding clasp with safety catch. The logo on the catch is made of solid yellow gold