Rolex Datejust 31 mm

Rolex Datejust 31 mm, reference 278381RBR-0028, cases in steel and gold at 31 mm across. The bezel is diamond-set, and the chocolate dial carries diamonds as well, fitted under a sapphire crystal with a Cyclops lens over the date. Inside is the calibre 2236, a self-winding chronometer movement with a power reserve of around 55 hours. The dial shows a central seconds hand and a date display, and the crown screws down against the case. A steel and gold bracelet closes with a concealed folding Crownclasp. This is a dress watch built with the Datejust's usual precision, and Rolex rates the case to 100 metres.