Tudor Black Bay One 39 S&G

Tudor makes the Black Bay One 39 S&G, reference M79663-0001, with a 39 mm steel case. The case is 12.0 mm thick and has a polished and satin finish. A fixed bezel in steel carries a yellow gold cap. A flat sapphire crystal covers the black dial. The movement is the self-winding Calibre MT5602, a chronometer with a power reserve of approximately 70 hours. The crown is a screw-down type. Tudor rates the case to 100 metres. A steel and gold bracelet is fitted to the watch, with a folding clasp in steel and gold.