Urban Jürgensen & Sønner Perpetual Calendar Limited Edition Vegan Leather and subsequently dictated the direction

and subsequently dictated the direction of wrist worn watches for decades to come

Here we have a Day-Date with an extremely crisp case featuring sharp lugs

Accompanied by its original rubber "bracelet" and packaging

Before the Quartz Crisis

Urban Jürgensen & Sønner Perpetual Calendar Limited Edition Vegan Leather and subsequently dictated the directionA perpetual calendar is like a small computer on your wrist. Think of it this way: Imagine a watch that keeps track of not only the time, but also the date, the day of the week, and the month, tells you whether its a leap year or not, and what the current phase of the moon is. Oh, and one more thing imagine it does all of this mechanically, using springs and gears, and that you only have to adjust it once every century or so. Crazy, right? Urban