Rolex Datejust 31 mm

The Rolex Datejust 31, reference 278274-0021, measures 31 mm across in steel and white gold. The case carries a fluted bezel in gold and a screw-down crown, and a Cyclops lens sits over the date on the sapphire crystal. The dark grey dial is run by the self-winding calibre 2236, a Rolex manufacture movement with a power reserve of approximately 55 hours. As a chronometer, the watch has been certified for precision after casing. Central seconds and an instantaneous date round out the display functions. The bracelet is steel, a three-piece Oyster design closed by a folding Oysterclasp with the Easylink comfort extension link. It stays water resistant to a depth of 100 metres.