Rolex Datejust 31 mm

Rolex Datejust 31 mm, reference 278240-0018, in steel with a 31 mm case. The case has a domed bezel and a monobloc middle construction with a screw-down winding crown. Inside is the calibre 2236, a self-winding movement with a silicon hairspring and a power reserve of approximately 55 hours, certified as a chronometer. The dial is bright blue and sits under a scratch-resistant sapphire crystal with a Cyclops lens over the date. Complications are kept simple, with a central seconds display and a date function. The watch is fitted to a steel Jubilee bracelet with a concealed folding Crownclasp. The screw-down crown helps keep the case rated to 100 metres.