Perpetual Calendar Watch Automatic. In modern watchmaking, a perpetual calendar indicates the date, and corrects automatically for months with less than 31 days, as well as leap years. With dials that display information from the day of the week to the phase of the moon, these timepieces.

And there are even a couple that you might consider “affordable”. We’ve sorted through our favorite perpetual calendar watches from sporty to dressy, classic to modern, expensive to affordable and curated this list for you.