Presidential Heritage The Rolex Day-Date II continues the legacy of the original Day-Date, the first wristwatch to display both the date and the day of the week spelled out in full. Worn by influential figures since its debut in 1956, the Day-Date is a symbol of prestige, innovation, and timeless design. Statement Scale This 2010 reference 218349 features a 41mm case and is powered by the calibre 3156 automatic movement, offering a power reserve of approximately 48 hours. The President bracelet is secured with the Crownclasp, combining comfort with refined aesthetics. A bold evolution of a Rolex icon.