Rolex Datejust 31 mm

Rolex Datejust 31 mm, reference 278241-0030, has a 31 mm case in steel and gold. A domed bezel and a sapphire crystal with a Cyclops lens over the date sit atop the case. The calibre 2236 drives the watch, a self-winding movement certified as a chronometer with a power reserve of approximately 55 hours. The slate dial is set with diamonds, and the watch shows central seconds alongside a date display. A screw-down crown protects the movement from the elements. The bracelet is a Jubilee design in steel and gold, fastened with a concealed folding clasp. The screw-down crown holds the case to its 100 metre rating.