Rolex Datejust 31 mm

Rolex Datejust 31 mm, reference 278343RBR-0013, is a women's watch with a 31 mm case in steel and gold. The dial sits under a scratch-resistant sapphire crystal with a Cyclops lens over the date, and the domed bezel is set with diamonds. Inside is the calibre 2236, a self-winding movement with a 55-hour power reserve, and the watch carries Rolex's chronometer certification. A screw-down crown protects the case, and a champagne-colour dial displays the date alongside central seconds. The watch is set with diamonds on the bezel. It comes on a steel and gold bracelet fitted with a folding Oysterclasp and an Easylink comfort extension link. The screw-down crown helps hold the case to its 100 metre water resistance rating.