Rolex Datejust 31 mm

The Rolex Datejust 31 mm, reference 278383RBR-0014, comes in a 31 mm case of steel and gold. The bezel is diamond-set, and the sapphire crystal carries a Cyclops lens over the date. Inside is the calibre 2236, a self-winding mechanical movement with a power reserve of approximately 55 hours, certified as a chronometer. The champagne-colour dial shows a central seconds display and a date function, and the watch is set with diamonds. The screw-down crown uses a double waterproofness system and holds the case to its 100 metre rating. The bracelet is steel and gold, fitted with a concealed folding Crownclasp.