Rolex Datejust 31 mm

This Rolex Datejust 31 mm, reference 278273-0025, has a case in steel and gold measuring 31 mm across. The fluted bezel is gold and gives the case its finishing touch, while the crown screws down against the middle case. Inside is the calibre 2236, a self-winding movement with a Syloxi hairspring and a power reserve of approximately 55 hours; Rolex certifies it as a chronometer. A Cyclops lens sits over the date on the sapphire crystal. The champagne dial is set with diamonds, and the date sits alongside a central seconds display. The bracelet is steel and gold on a folding Oysterclasp fitted with an Easylink comfort extension link. Rolex rates the case to 100 metres.