Rolex Datejust 31 mm

The Rolex Datejust 31 mm, reference 278381RBR-0001, has a 31 mm case in steel and gold. The bezel is diamond-set, and the case is fitted with a sapphire crystal with a Cyclops lens over the date. Inside is the self-winding calibre 2236, a chronometer-certified movement with a 55-hour power reserve. The rosé-colour dial carries a central seconds hand and a date display, and the crown is a screw-down type. This example is set with diamonds, part of the Datejust's gemstone options. It is fitted to a matching steel and gold bracelet with a folding Oysterclasp and Easylink extension for added comfort. The screw-down crown helps keep the case waterproof to 100 metres.