These were made only for a little over a decade and offer an interesting chapter in the Daytona story
beautiful watches were developed by companies large and small
war-torn days of the 1940s
the only timepieces they collect
Although Glycine started small
Patek Philippe Perpetual Calendar Moonphase Chronograph Automotive These were made only forA 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, and also 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?