Tudor Black Bay One 36

Tudor Black Bay One 36, reference M79640-0004, has a 36mm steel case with a polished and satin finish. The case measures 10.5mm thick, with 19mm lugs. A flat sapphire crystal covers the anthracite dial, set with diamonds and finished with luminous hands and indices. Central seconds run from the manufacture calibre MT5400, a self-winding chronometer movement with approximately 70 hours of power reserve. A screw-down crown bearing the Tudor rose secures the case. Rated to 100 metres, the watch is fitted to a steel bracelet with a folding clasp and safety catch.