Patek Philippe Perpetual Calendar Moonphase Chronograph 'Salmon' patek philippe grand complications The original Chronographe Suisse -

The original Chronographe Suisse - no relation to any modern incarnation of the brand name - was at one time a major parts supplier to a number of the big houses of Swiss watchmaking

This guaranteed an unprecedented interchangeability in their parts

this is as crisp as it gets

devised repeating clocks and watches as a way to tell time in the dark

the Calatrava has become a byword for a simple

Patek Philippe Perpetual Calendar Moonphase Chronograph 'Salmon' patek philippe grand complications The original Chronographe Suisse -A 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