Rolex Lady-Datejust 28 mm

The Rolex Lady-Datejust 28 mm, reference 279160-0007, comes in a 28 mm steel case with a domed bezel. The case measures 28 mm across, sized to a 14 mm lug width, and carries a silver dial under a sapphire crystal with a Cyclops lens over the date. Inside is the self-winding calibre 2236, a Rolex manufacture movement with a power reserve of approximately 55 hours and chronometer certification. A screw-down crown protects the movement, and the watch shows a central seconds hand alongside the date. The case is fitted to a steel bracelet closed with a concealed folding Crownclasp. Rolex rates the case to 100 metres of water resistance.