Rolex Datejust 31 mm

Rolex Datejust 31 mm, reference 278343RBR-0003, cases in steel and gold at 31 mm across. The case pairs with a domed, diamond-set bezel, and the silver dial is likewise set with diamonds. A sapphire crystal with a Cyclops lens sits over the date. Inside is the self-winding calibre 2236, a chronometer movement with 55 hours of power reserve, fitted with a screw-down crown. Central seconds and the date round out the display functions. The bracelet is steel and gold with a folding Oysterclasp, and Rolex's Easylink link extends it for added comfort on the wrist. The screw-down crown backs up a case rated to 100 metres.