Rolex Lady-Datejust 28 mm

The Rolex Lady-Datejust 28 mm, reference 279175-0021, has a 28 mm case in rose gold. The fluted bezel is also rose gold, and the case sits on a rose gold President bracelet with a concealed folding Crownclasp. A sapphire crystal covers the white dial, with a Cyclops lens set over the date. Inside is the calibre 2236, a self-winding movement with a power reserve of approximately 55 hours. The watch is chronometer certified and shows the date alongside central seconds. A screw-down crown seals the case, which Rolex rates to a water resistance of 100 metres.