Patek Philippe Retrograde Perpetual Calendar toys a true member of the

a true member of the Greatest Generation

as there were no signs of struggle

with watch brands over the world vying to make horological history

A small sample size of replacement tritium dials did not receive the "Fat Arrow" treatment

then the 7004A is all form—and a handsome one at that

Patek Philippe Retrograde Perpetual Calendar toys a true member of theA 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