Rolex Datejust 31 mm

The Rolex Datejust 31 mm, reference 278384RBR-0007, is cased in steel and gold measuring 31mm across. The dial is white mother-of-pearl set with diamonds, and the diamond-set bezel continues the theme around the case. A screw-down crown backs the 100 metre rating, and a sapphire crystal with Cyclops lens sits over the date. Inside is the self-winding calibre 2236, a Rolex Superlative Chronometer movement with a power reserve of approximately 55 hours. Central seconds and an instantaneous date are the main functions on display. The watch is fitted to a steel Oyster bracelet with a folding Oysterclasp and Easylink comfort extension link. Water resistance is rated to 100 metres.