Patek Philippe Perpetual Calendar mens or some with bold luminous

or some with bold luminous Arabic numerals that hint at a military inspiration

which also found itself utilized in a variety of other period pieces

Two years later

is ever so lightly embellished with rose gold applied Arabic numerals at 3

When one thinks of Cartier

Patek Philippe Perpetual Calendar mens or some with bold luminousA 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? Patek has