The Pioneering Original Launched in 1945, the Rolex Datejust was the first wristwatch to combine a waterproof case, self-winding movement, and date display. This innovation, paired with enduring aesthetics, has made the Datejust a cornerstone of the Rolex collection for generations. Classic and Versatile This 2013 reference 116234 features a 36mm Oystersteel case with a fluted bezel in white gold and a steel dial. The watch is fitted with an Oyster bracelet and Easylink clasp, and powered by the calibre 3135 automatic movement with a 48-hour power reserve. A timeless expression of Rolex craftsmanship.