Rolex Datejust 31 mm

Rolex Datejust 31 mm, reference 278240-0008, has a 31 mm Oystersteel case with a domed bezel. The dial is pink and sits under a scratch-resistant sapphire crystal with a Cyclops lens over the date. Inside is the calibre 2236, a self-winding chronometer movement with a Syloxi hairspring and a power reserve of approximately 55 hours. The screw-down crown adds a further layer of protection typical of Rolex's Oyster construction. Hands and indices carry luminous treatment for legibility in low light, and a central seconds hand runs alongside the date function. The watch is fitted on a steel bracelet with a concealed folding Crownclasp. Waterproofness is rated to 100 metres.