Rolex Datejust 31 mm

This Rolex Datejust 31 mm, reference 278274-0002, is cased in steel and gold with a 31 mm diameter. The Oyster case is fitted with a fluted bezel in gold and a screw-down crown, and closes under a scratch-resistant sapphire crystal with a Cyclops lens over the date. The bright black dial is driven by the self-winding calibre 2236, a Perpetual mechanical movement with a power reserve of approximately 55 hours. Rolex certifies the watch as a chronometer. Central seconds and an instantaneous date round out the functions. The bracelet is steel, fitted with a concealed folding Crownclasp. Rolex rates the case to a depth of 100 metres.