Ref. No M79833MN-0001 Description Tudor Black Bay GMT S&G Manufacture Calibre MT5652 (COSC) 41mm steel case Case 41mm steel case with polished and satin finish Winding Crown Screw-down winding crown, with the TUDOR rose engraved and lacquered in black, with black anodised aluminium winding crown tube. Steel covered by a 0.3mm yellow gold cap Movement: Manufacture Calibre MT5652 (COSC) Self-winding mechanical movement with bidirectional rotor system Built-in architecture Bezel: 48-notch bidirectional rotating bezel with a steel core, covered by a 0.3mm yellow gold cap. 24-hour graduated matt brown and black anodised aluminium disc Crystal: Domed sapphire crystal Waterproofness: Waterproof to 200m (660 ft) Guarantee: Five-year transferable guarantee with no registration or periodic maintenance checks required Bracelet First center links at 6 and 12 o’clock in solid yellow gold. Remaining center links in steel or steel covered by a 0.2mm yellow gold cap. Folding clasp and safety catch Size Guide