Rolex Datejust 31 mm

The Rolex Datejust 31 mm ref. 278381RBR-0025 comes in a 31 mm case of steel and gold. The bezel is diamond-set, and the crown screws down against the case. Inside is the calibre 2236, a self-winding movement with a 55-hour power reserve, certified as a Superlative Chronometer. A sapphire crystal covers the dial, with a Cyclops lens magnifying the date. The white mother-of-pearl dial is set with diamonds, and the watch shows a central seconds display alongside the date. It is fitted with a steel and gold bracelet closed by a folding Oysterclasp with an Easylink comfort extension link. Rolex rates the case to 100 metres of water resistance.