Patek Philippe Perpetual Calendar Moonphase Chronograph 'Salmon' Automotive 601 Regatta is without question

601 Regatta is without question the nicest example to come through our doors

a signed crown and pump pushers

and even war

Where the later Navitimers were produced in 42mm

Patek Philippe Perpetual Calendar Moonphase Chronograph 'Salmon' Automotive 601 Regatta is without questionA 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