Rolex Datejust 31 mm

The Rolex Datejust 31 mm, reference 278273-0022, comes in steel and gold with a 31 mm case. A fluted bezel in gold sits around the dark grey dial, which is set with diamonds. The sapphire crystal carries a Cyclops lens over the date. Inside is the Perpetual calibre 2236, a self-winding chronometer movement with a power reserve of approximately 55 hours. The screw-down crown adds a further layer of protection, and the date function is complemented by a central seconds display. The watch is fitted with a steel and gold bracelet secured by a concealed folding Crownclasp. Rolex rates the case to 100 metres of water resistance.