Rolex Datejust 31 mm

Rolex Datejust 31, reference 278289RBR-0015, measures 31 mm across in 18 ct white gold. The case has a diamond-set bezel and a screw-down crown, and the date sits under a Cyclops lens on the scratch-resistant sapphire crystal. The mint green dial carries luminous hands and indices and runs off the self-winding calibre 2236, a Rolex-manufactured movement with a power reserve of approximately 55 hours and certified as a Superlative Chronometer. Central seconds and an instantaneous date round out the functions. Gemstones are set into the bezel. The watch is fitted with a President bracelet in white gold, closed by a concealed folding Crownclasp in the same metal. It stays water resistant to a depth of 100 metres.