Not at all specific to that watch, that's how triple calendars are normally laid out.
Mechanically, it's extremely difficult to do an in-line triple calendar display in a wristwatch, which is why the Patek in-line perpetual calendar (5236P) is a big deal:
Not at all specific to that watch, that's how triple calendars are normally laid out.
Mechanically, it's extremely difficult to do an in-line triple calendar display in a wristwatch, which is why the Patek in-line perpetual calendar (5236P) is a big deal: