Rolex Datejust 31 mm

Rolex Datejust 31 mm, reference 278344RBR-0001, cased in steel and white gold with a diameter of 31 mm. The domed bezel is set with diamonds, and the case is fitted with a screw-down winding crown for added security. A sapphire crystal with a Cyclops lens sits over the date, magnifying it against the bright black dial. Inside is the self-winding calibre 2236, a Rolex manufacture movement with a power reserve of approximately 55 hours, certified as a chronometer. The watch is set with diamonds on the bezel and shows a central seconds display alongside the date. It comes on a steel Oyster bracelet fitted with a folding Oysterclasp and an Easylink comfort extension link. The screw-down crown helps the case hold its rating of 100 metres.