Presidential Style The Day-Date 40 is a symbol of prestige and leadership. Introduced in 1956, it was the first wristwatch to display both the day and date in full, and has since become a signature of Rolex refinement. Elegance and Precision This model, from 2019, features a 40mm case in 18ct Everose gold with a chocolate dial and Roman numeral hour markers. It is powered by the calibre 3255 automatic movement with a 72-hour power reserve and is paired with a President bracelet secured by a Crownclasp.