Rolex Datejust 31 mm

The Rolex Datejust 31 mm, reference 278243-0003, comes in a 31 mm case of steel and gold. The case has a domed bezel and a screw-down crown, and the dial sits under a scratch-resistant sapphire crystal with a Cyclops lens over the date. The silver dial is set with diamonds. Inside is the calibre 2236, a self-winding movement with a Superlative Chronometer certification and a power reserve of approximately 55 hours. The date function runs alongside central seconds, both controlled from the screw-down crown. A steel and gold bracelet closes with a folding Oysterclasp fitted with the Easylink comfort extension link. The Datejust's screw-down crown helps hold its water resistance to 100 metres.