Tudor Black Bay One 39

Tudor Black Bay One 39, reference M79660-0003, has a 39mm steel case with a polished and satin finish. The case measures 12mm thick, with lugs set 21mm apart. A flat sapphire crystal covers the light champagne dial, which shows a central seconds hand along with luminous hands and indices. Inside is the manufacture calibre MT5602, a self-winding movement certified as a chronometer, with a power reserve of approximately 70 hours. The screw-down crown bears the Tudor rose in relief. A steel bracelet with polished and satin finish closes with Tudor's T-fit folding clasp and safety catch. Waterproofness runs to 100 metres.