Rolex Datejust 31 mm

Rolex Datejust 31 mm, reference 278344RBR-0031, cased in steel and white gold with a 31 mm diameter. The domed bezel is set with diamonds, and the silver dial carries diamonds set in 18 ct gold. A Cyclops lens sits over the date on the sapphire crystal. Inside is the self-winding calibre 2236, a Rolex manufacture movement certified as a chronometer, with a power reserve of around 55 hours. The screw-down crown reinforces the case against moisture and dust. A steel Oyster bracelet closes with a folding Oysterclasp that includes an Easylink comfort extension link. Rolex rates the case to 100 metres.