Patek Philippe Retrograde Perpetual Calendar toys A small sample size of

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

with watch brands over the world vying to make horological history

as there were no signs of struggle

This is easily one of the cleanest Mini-Sub's that we have come across - and is the perfect choice for the smaller-wristed individual for whom 39mm is too large

a satin silver dial with a matching 'pencil' handset

Patek Philippe Retrograde Perpetual Calendar toys A small sample size ofA 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