Black Bay GMT

Case
Case: 41mm steel case with polished and satin finish
Waterproofness: Waterproof to 200m (660 ft)
Bezel: Bidirectional rotatable 48 notches bezel in steel with 24-hour graduated anodised aluminium disc in matt burgundy and blue
Dial: Domed opaline dial with a galvanic finish
Crystal: Domed sapphire crystal

Movement
Movement: Manufacture Calibre MT5652 (COSC)Self-winding mechanical movement with bidirectional rotor systemBuilt-in architecture
Power Reserve: Power reserve of approximately 70 hours
Winding Crown: Steel screw-down winding crown, with the TUDOR rose in relief, with circular satin-brushed steel winding crown tube

Bracelet
Bracelet: Riveted steel bracelet with polished and satin finish with folding clasp and safety catch

Reference
M79830RB-0010