Tudor Black Bay One 31 S&G

The Tudor Black Bay One 31 S&G, reference M79603-0001, has a 31 mm steel case. The case is 9.5 mm thick with a 17 mm lug width, and the fixed bezel is solid yellow gold. A flat sapphire crystal covers the black dial. Tudor rates the case to 100 metres. The movement is the self-winding Manufacture Calibre MT5201, a chronometer with a power reserve of approximately 50 hours. The screw-down crown has the Tudor rose in relief. A steel and gold bracelet is fitted to the watch. The folding clasp is steel and gold, and the logo on its catch is solid yellow gold.