Rolex Datejust 31 mm

Rolex Datejust 31 mm, reference 278285RBR-0018, measures 31 mm across in Everose gold. The case has a diamond-set bezel and a screw-down crown with the Twinlock double waterproofness system. A sapphire crystal with a Cyclops lens sits over the date, and the rosé-colour dial carries central seconds along with the date display. Inside is the self-winding calibre 2236, a Rolex manufacture movement certified as a Superlative Chronometer, with a power reserve of approximately 55 hours. The watch is set with diamonds. It is fitted with a President bracelet in Everose gold, closed by a concealed folding Crownclasp. That same crown, with its Twinlock system, keeps the case rated to 100 metres.