Presidential Style The Rolex Day-Date 36 is a symbol of prestige and refinement. As the first wristwatch to display both the date and the day of the week spelled out in full, it has long been associated with influential figures and timeless elegance. Classic Proportions This 2007 reference 118239 is crafted from 18ct white gold and features a 36mm case paired with the President bracelet and Crownclasp. It is powered by the calibre 3155 automatic movement, offering a power reserve of approximately 48 hours.