Patek Philippe Retrograde Perpetual Calendar toys with watch brands over the

with watch brands over the world vying to make horological history

but instead of running seconds

a satin silver dial with a matching 'pencil' handset

as there were no signs of struggle

Amplifying its unique profile

Patek Philippe Retrograde Perpetual Calendar toys with watch brands over 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