Rolex Datejust 31 mm

The Datejust 31 mm, reference 278343RBR-0019, comes in steel and gold with a case measuring 31 mm across. The domed bezel is set with diamonds, and the silver dial is likewise set with diamonds under a sapphire crystal with Cyclops lens over the date. Inside is the self-winding calibre 2236, a Rolex manufacture movement certified as a chronometer, with 55 hours of power reserve. A screw-down crown protects the movement, and the layout keeps a central seconds hand alongside the date display. The steel and gold bracelet closes with a folding Oysterclasp fitted with the Easylink comfort extension link. It stays water resistant to a depth of 100 metres.