Rolex Datejust 31 mm

The Rolex Datejust 31 mm, reference 278344RBR-0023, is a women's model in steel and gold with a 31 mm case. The domed bezel is set with diamonds, adding sparkle around the dark grey dial. A Cyclops lens sits over the date on the scratch-resistant sapphire crystal, and the screw-down crown carries the Twinlock double waterproofness system. Inside is the calibre 2236, a self-winding Rolex movement with a Syloxi hairspring and a power reserve of approximately 55 hours. Rolex certifies the watch as a Superlative Chronometer. The steel bracelet closes with a folding Oysterclasp that includes the Easylink comfort extension link. This case is guaranteed waterproof to 100 metres.