Rolex Datejust 31 mm

The Rolex Datejust 31 mm, reference 278341RBR-0024, comes in a 31 mm case of steel and gold. The domed bezel is set with diamonds, and the dial, in rosé colour, is also set with diamonds. A sapphire crystal with a Cyclops lens sits over the date. Inside is the calibre 2236, a self-winding Perpetual movement with a power reserve of approximately 55 hours and chronometer certification. The screw-down crown adds a further layer of protection, and the watch shows central seconds alongside the date. It is fitted on a bracelet of steel and gold with a concealed folding Crownclasp. Rolex rates the case to 100 metres.