Tudor Black Bay 54

Tudor makes the Black Bay 54, reference M79000B-0002, as a dive watch with a 37 mm steel case. The case is 11.2 mm thick and has a 20 mm lug width. Inside is the self-winding Manufacture Calibre MT5400, a chronometer with a power reserve of approximately 70 hours. A domed sapphire crystal covers the blue dial, which has applied hour markers. The 60-minute unidirectional bezel is steel with an aluminium insert, and the screw-down crown carries the Tudor rose in relief. Tudor rates the case to 200 metres. A rubber strap with a T-fit folding clasp is fitted to the watch.