Tudor Black Bay One 31

Tudor's Black Bay One 31, reference M79600-0004, comes in a 31 mm steel case with a polished and satin finish. The case measures 9.5 mm thick and carries a screw-down crown with the Tudor rose in relief. A self-winding manufacture calibre MT5201, chronometer certified, powers the watch and runs for about 50 hours on a full wind. A flat sapphire crystal covers the anthracite dial, set with eight diamonds, with luminous hands and indices for legibility. Central seconds run from the same movement. A steel bracelet with a folding clasp and safety catch completes the piece. It stays water resistant to a depth of 100 metres.