Tudor Black Bay One 39

The Tudor Black Bay One 39, reference M79660-0004, comes in a 39mm steel case. The case measures 12mm thick and carries a flat sapphire crystal over an anthracite dial. The watch is set with diamonds, and luminous hands and indices mark the hours. Central seconds run beneath the dial. Inside is the manufacture Calibre MT5602, a self-winding chronometer movement with a power reserve of approximately 70 hours. The screw-down crown carries the Tudor rose in relief. A steel bracelet with a folding clasp and safety catch completes the watch. Tudor rates the case to 100 metres of water resistance.