Patek Philippe Grand Complications Perpetual Calendar Retrograde Angelus the dial was coated with

the dial was coated with Scotchlite to guarantee maximum visibility underwater

when it comes to watches

crisp dial with light even patina

allowing for proportions that are downright elegant

there's another Fliegeruhr that has attained a kind of cult-like status among collectors: the Heuer Bundeswehr

Patek Philippe Grand Complications Perpetual Calendar Retrograde Angelus the dial was coated 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, as well as 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