Tudor Black Bay One 39 S&G

The Tudor Black Bay One 39 S&G, reference M79673-0005, has a 39 mm steel case. The case is 12 mm thick, with a 21 mm lug width. The bezel is fixed and made of yellow gold, set with diamonds. Inside, the self-winding Manufacture Calibre MT5602 is a chronometer with a power reserve of approximately 70 hours. A flat sapphire crystal covers the black dial. The screw-down crown is steel with a yellow gold cap. Tudor rates the case to 100 metres. The watch has a steel and gold bracelet with a steel and gold folding clasp.