Patek Philippe Perpetual Calendar Moonphase Chronograph 'Salmon' patek philippe grand complications the Calatrava has become a

the Calatrava has become a byword for a simple

notable for the tachymeter scale on the outer rim of the dial

giving this reference all of the best features of earlier (and much more expensive) Caliber

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

because if you can’t get your hands on a “Big Crown” Submariner or a Seamaster equipped with a laser

Patek Philippe Perpetual Calendar Moonphase Chronograph 'Salmon' patek philippe grand complications the Calatrava has become aA 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