Rolex Datejust 31 mm

The Rolex Datejust 31 mm, reference 278274-0015, is cased in steel and gold with a 31 mm diameter. A fluted gold bezel finishes the case, which is closed by a screw-down crown. A sapphire crystal with a Cyclops lens sits over the dark grey dial, magnifying the date. Inside is the self-winding calibre 2236, a Rolex manufacture movement certified as a chronometer, with a power reserve of approximately 55 hours. The dial carries luminous hands and indices along with a central seconds display. The steel Oyster bracelet closes with a folding Oysterclasp fitted with the Easylink comfort extension link. Rolex rates the case to 100 metres.