Rolex Lady-Datejust 28 mm

The Rolex Lady-Datejust 28 mm, reference 279163-0001, has a 28 mm case in steel and gold. The case carries a domed bezel and holds a screw-down crown for water resistance. A sapphire crystal with a Cyclops lens sits over the date, and the champagne-colour dial is run by the self-winding calibre 2236, certified as a chronometer. The movement offers a central seconds display and shows the date, with a power reserve of approximately 55 hours. The steel and gold bracelet closes with a concealed folding clasp. Rolex rates the case to 100 metres of water resistance.