I find it hard to believe that perpetual calendars are significantly more difficult to make and assemble. The original 5035 had almost 100 more parts than the 3940. Even if true the movement components & assembly labor is probably a fairly insignificant portion of the overall production cost.
I'm selling most of my watches but decided to keep the three I actually wear. I plan on being interred wearing one and the other two will be gifted to my nephews when they graduate from college. I really appreciate high quality mechanical watches but I never really enjoyed wearing my Pateks. They ju