Rolex Lady-Datejust 28 mm

Rolex Lady-Datejust 28 mm, reference 279178-0020, measures 28 mm across in 18 ct yellow gold. The case has a fluted gold bezel and a screw-down crown, and the silver dial sits under a scratch-resistant sapphire crystal with a Cyclops lens over the date. Inside is the calibre 2236, a self-winding movement with a 55-hour power reserve, certified as a Superlative Chronometer. The dial shows a central seconds hand and an instantaneous date. This is a women's dress watch built on Rolex's Oyster architecture, with a monobloc middle case and screw-down back. It comes on a President bracelet in yellow gold, closed with a concealed folding Crownclasp in the same metal. The screw-down crown and case construction hold water resistance to 100 metres.