Rolex Datejust 31 mm

Rolex Datejust 31, reference 278344RBR-0016, measures 31 mm across in steel and gold. The case is finished with a domed, diamond-set bezel, and the pink dial sits under a scratch-resistant sapphire crystal with a Cyclops lens over the date. Inside is the calibre 2236, a self-winding mechanical movement with a power reserve of approximately 55 hours, and the watch carries chronometer certification. Hands and indices are luminous for legibility in low light. The date function runs alongside a central seconds display, and the bezel is set with diamonds. It rides on a steel bracelet closed by a concealed folding clasp. The screw-down crown holds the case to its 100 metre water resistance rating.