Rolex Lady-Datejust 28 mm

The Rolex Lady-Datejust 28 mm, reference 279178-0021, is cased in 18 ct yellow gold measuring 28 mm across. The case has a fluted gold bezel, a Rolex signature, and a screw-down crown for added protection. A scratch-resistant sapphire crystal with a Cyclops lens sits over the date. Inside is the self-winding calibre 2236, a Rolex manufacture movement offering approximately 55 hours of power reserve. This is a chronometer, certified to the Superlative Chronometer standard, with a central seconds hand and an instantaneous date function. The silver dial pairs with a Jubilee bracelet in matching yellow gold, closed by a concealed folding Crownclasp. The screw-down crown backs up a case rated waterproof to 100 metres.