Eternal Time: 6 Modern Perpetual Calendar Watches

In modern watchmaking, a perpetual calendar indicates the date, and corrects automatically for months with less than 31 days, as well as leap years. Unless the movement takes into account century years that are not leap years, a perpetual ...

Eternal Time: 6 Modern Perpetual Calendar Watches
In modern watchmaking, a perpetual calendar indicates the date, and corrects automatically for months with less than 31 days, as well as leap years. Unless the movement takes into account century years that are not leap years, a perpetual ...