Rolex Datejust 31 mm

The Rolex Datejust 31 mm, reference 278241-0029, is a women's watch in steel and gold with a 31 mm case. The case carries a domed bezel, and the slate dial is set with diamonds. A sapphire crystal with a Cyclops lens sits over the date. Inside is the self-winding calibre 2236, a Rolex manufacture movement with a power reserve of approximately 55 hours, and the watch is certified as a chronometer. Central seconds and an instantaneous date round out the functions. The steel and gold bracelet closes with a folding Oysterclasp fitted with an Easylink comfort extension link. The screw-down crown helps keep the case waterproof to 100 metres.