I also think that the whole Apple Watch phenomenon has shown what has happened in other luxury categories before. This link is not replacing a link Swiss link watch, it's just in addition to. And reminds me a little bit of my Timex days, when a lot of people would have their expensive watches, but when they went to the gym or to do some garden work, they had their Ironman.

As for the perpetual calendar, AP built on the RD#2's perpetual calendar, which merged the perpetual calendar functions onto a single plane. For the user, operation has been simplified with those pushers and "supercrowns" on the case. A two-digit window at four o'clock even link indicates the year, replacing the traditional leap year display.