Tudor Black Bay GMT 41-mm steel case, steel bracelet. 41-mm steel case with polished and satin finish. Bidirectional rotatable 48-notches bezel in steel with 24-hour graduated anodized aluminum disk in matte burgundy and blue.  Manufacture Caliber MT5652 (COSC) Self-winding mechanical movement with bidirectional rotor system Built-in architecture.  Black, domed. Steel screw-down winding crown, with the TUDOR rose, with circular satin-brushed steel winding crown tube. Domed sapphire crystal. Waterproof to 200 m (660 ft)

Brand: TUDOR M79830RB-0001
Tudor Bracelet Sizing Guide