Rolex Lady-Datejust 28 mm

Rolex Lady-Datejust 28 mm, reference 279384RBR-0009, cases at 28 mm in steel and gold. The bezel is diamond-set, and a monobloc middle case with a screw-down back and crown gives the watch its 14 mm lug width. Inside is the calibre 2236, a self-winding movement with a silicon Syloxi hairspring and about 55 hours of power reserve, certified as a Superlative Chronometer. A sapphire crystal with a Cyclops lens sits over the date, and the silver dial pairs with a central seconds function and the watch is set with diamonds. It is fitted to a five-piece Jubilee bracelet in steel with a concealed folding Crownclasp in steel and gold. The screw-down crown, part of the Twinlock system, holds the case to its 100 metre rating.