Discover the Fiftysix day-date watch,reference E/A-B,a piece of fine watchmaking by Vacheron Constantin. Rolex Day-Date II President 18k Yellow Gold Men's 40mm Watch Rolex Vintage Rolex Day-date President 18k White Dial Red Rolex GNSRP Day Date President 18K White Gold Green. Home Calculators Weekday Calculator: What Day Is It? What day of the week was I born? Enter any date to find out the weekday and other fun facts.
Day Date Historically, day and date, the unique blue colour of the hairspring has been a sign of prestige reserved for only the most accurate timepieces. For example, the following day and date can be observed: The sapphire crystal is clamped tight by the bezel. After years of research, Rolex created the blue Parachrom hairspring, which is finer than a human hair. Parsing two digit years By default, two digit years above 68 are assumed to be in the 's and years 68 or below are assumed to be in the 's. In a mechanical watch, the oscillator is the guardian of time. X was added in version 2.