Rolex Datejust 31 mm

Rolex Datejust 31 mm, reference 278381RBR-0004, cased in 31 mm of steel and gold. The bezel is diamond-set, and the case pairs with a scratch-resistant sapphire crystal fitted with a Cyclops lens over the date. Inside is calibre 2236, a self-winding chronometer movement with a Syloxi hairspring and a power reserve of about 55 hours. The white dial carries central seconds and a date display, and the crown screws down against the case. Diamonds also appear on this reference, adding a further touch of sparkle beyond the bezel. A steel and gold bracelet closes with a concealed folding Crownclasp. The case is rated waterproof to 100 metres.