Rolex Lady-Datejust 28 mm

The Rolex Lady-Datejust 28 mm, reference 279173-0013, measures 28 mm across in steel and gold. A fluted bezel in gold tops the case, alongside a screw-down crown. The white mother-of-pearl dial is set with diamonds and sits under a sapphire crystal with a Cyclops lens over the date. Inside is the self-winding calibre 2236, a chronometer movement with a power reserve of approximately 55 hours. Central seconds and the date round out the functions. The steel and gold bracelet closes with a concealed folding Crownclasp. With its screw-down crown sealed shut, the case holds a 100 metre water resistance rating.