Tudor Black Bay One 36

The Tudor Black Bay One 36, reference M79640-0002, has a 36 mm steel case with a polished and satin finish. The case is 10.5 mm thick, and the lug width is 19 mm. Tudor rates the case to 100 metres. Calibre MT5400 is a self-winding movement with a power reserve of approximately 70 hours. A flat sapphire crystal covers the blue dial, and the bezel is steel. The watch is a chronometer, and the screw-down crown carries the Tudor rose in relief. A steel bracelet with a polished and satin finish is fitted to the watch, with a steel folding clasp and safety catch.