Tudor Black Bay One 36

Tudor makes the Black Bay One 36, reference M79640-0004, with a 36 mm steel case. The case is 10.5 mm thick and has a steel bezel. Lug width is 19 mm. The movement is the self-winding Calibre MT5400, a chronometer with a power reserve of approximately 70 hours. A flat sapphire crystal covers the grey dial, which is set with diamonds. The crown is a screw-down type. The case carries a 100 metre rating. A steel bracelet with a polished and satin finish and a steel folding clasp is fitted to the watch.