Tudor Black Bay 54

The Tudor Black Bay 54, reference M79000-0001, is a dive watch with a 37 mm steel case. The case is 11.2 mm thick and has a 20 mm lug width. Tudor rates the case to 200 metres. Calibre MT5400 is a self-winding movement with chronometer certification and a power reserve of approximately 70 hours. A domed sapphire crystal covers the blue dial. The 60-minute bezel is unidirectional and rotating, with a mirror-polished steel insert devoid of minute graduations. The steel screw-down crown carries the Tudor rose in relief. A five-link steel bracelet has a steel T-fit folding clasp.