Tudor Black Bay One 31 S&G

Tudor Black Bay One 31 S&G, reference M79603-0008, has a 31 mm steel case. The case is 9.5 mm thick with a 17 mm lug width. Tudor rates the case to 100 metres. The movement is the self-winding calibre MT5201, a COSC-certified chronometer with a power reserve of approximately 50 hours. A flat sapphire crystal covers the champagne dial, which has diamond hour markers. The fixed bezel is solid yellow gold. The screw-down crown carries the Tudor rose in relief and has a yellow gold cap over steel. A steel and gold bracelet is fitted to the watch and closes with a folding clasp in steel and gold.