Rolex Datejust 31 mm

Rolex Datejust 31 mm, reference 278344RBR-0034, has a 31 mm case in steel and gold. The case measures 31 mm across and pairs with a domed, diamond-set bezel. Inside is the calibre 2236, a self-winding movement with a 55-hour power reserve, certified as a chronometer. A sapphire crystal with a Cyclops lens sits over the date, and the pink dial is set with diamonds. The screw-down crown adds to the watch's practical security, and central seconds and date functions round out the display. It is fitted to a steel bracelet with a concealed folding Crownclasp. Rolex rates the case to 100 metres.