Rolex Datejust 31 mm

Rolex Datejust 31 mm, reference 278273-0015, has a 31 mm case in steel and yellow gold. The case wears a fluted bezel and a screw-down crown, and the date sits under a Cyclops lens on the sapphire crystal. The olive green dial is set with diamonds, with a large VI marked out in eleven stones. Inside is the self-winding calibre 2236, a chronometer with a power reserve of approximately 55 hours. Central seconds and an instantaneous date round out the functions. The bracelet is an Oyster in steel and yellow gold, closed with a folding Oysterclasp that includes the Easylink comfort extension link. The screw-down crown helps hold the case to its 100 metre water resistance rating.