Rolex Datejust 31 mm

Rolex Datejust 31 mm, reference 278344RBR-0035, cases at 31 mm in steel and gold. The case is fitted with a domed, diamond-set bezel and a screw-down crown, and the dial sits under a scratch-resistant sapphire crystal with a Cyclops lens over the date. Inside is the calibre 2236, a self-winding movement with a 55-hour power reserve and Rolex chronometer certification. The bright blue dial carries a central seconds hand and date display, and the watch is set with diamonds. A folding Oysterclasp, in steel and gold, closes the steel bracelet and includes the Easylink comfort extension link. Rolex rates the case to 100 metres of water resistance.