Tudor Black Bay One 31

The Black Bay One 31 (M79600-0004) is housed in a 31 mm steel case with a case thickness of 9.5 mm and a sapphire crystal, water resistant to 100 m. The anthracite dial is set with 8 diamonds forming diamond-set hour markers, complemented by luminous hands and markers. It is fitted with a steel bracelet with polished and satin finish, a "T-fit" folding clasp and safety catch, and a matching steel bezel in the same finish. Powered by the automatic Tudor Manufacture Calibre MT5201, it offers a 50-hour power reserve and is a COSC-certified chronometer.