Patek Philippe Perpetual Calendar Rolex a white guilloche dial with

a white guilloche dial with printed Roman indices and a matching blued-steel sword handset

We confess that we’ve been guilty of that

the Fifty Fathoms and the Submariner

Ask any vintage watch collector what their favorite chronograph is

the one we get asked about most frequently is the first successor to the original Professional - the Mark II

Patek Philippe Perpetual Calendar Rolex a white guilloche dial withA 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