Rolex updated the Day-Date design with the 118235 model that features a chronometer-certified movement. The 118235 has a round, rose gold case that is 36mm in diameter with a solid case back, sapphire crystal and a fluted yellow gold bezel. The dial is black with rose gold Arabic numeral hour markers, and an instantaneous date window at 3-o-clock and the day at the 12-o-clock mark. The 118235 is powered by the self-winding 3155 calibers with day-date functionality, chronometer certification and a power reserve of 48 hours. The 118235 comes with a rose gold three-piece Presidential link bracelet that is secured with a concealed fold-over crown clasp blending seamlessly into the bracelet. It has a water resistance of 100 meters (330 feet).