Rolex Lady-Datejust 28 mm

The Rolex Lady-Datejust 28 mm, reference 279381RBR-0022, is cased in 28 mm of steel and gold. The bezel is diamond-set, and the case is built with a monobloc middle section and screw-down crown. A scratch-resistant sapphire crystal with a Cyclops lens covers the date. Inside is the calibre 2236, a self-winding mechanical movement with a 55-hour power reserve, certified as a chronometer. The white dial carries a central seconds hand and an instantaneous date display. Diamonds also appear elsewhere on the watch, set as described by Rolex. It is fitted to a steel and gold Oyster bracelet with a folding Oysterclasp and Easylink extension. The screw-down crown helps keep the case waterproof to 100 metres.