As we observe the leap year on Feb. 29, it’s a fitting time to explore five unconventional perpetual calendar watches that put a fresh twist on one of watchmaking’s oldest complications, which ...

The challenge of leap year has led to the development of the perpetual calendar - a complication that has been part of the A. Lange & Söhne repertoire since the late 19th century.

Leap Year Is the Perfect Time to Invest in a Perpetual Calendar Watch These incredibly complex pieces of horological machinery often start at $50,000 and don’t require adjustment for a hundred ...

5 most impressive perpetual calendar watches for a leap year: haute horology from Bulgari, A. Lange & Söhne, IWC, Glashütte Original and H. Moser & Cie on February 29, 2024 STORY Gloria Fung Feb ...

If a perpetual calendar were kept continually operating, it would correctly adjust until the year 2100, when our Gregorian calendar skips the normal leap year. At that point, the mechanism ...

Perpetual calendars are mechanical masterpieces that correctly display the month, date and day, with some featuring a leap year indicator, without requiring any adjustments at midnight on February 29.

Among a handful of watches that Patek Philippe introduced this year, the yellowgold version of the Ref. 5270J-001 Perpetual Calendar Chronograph ($176,240) stands out. The timepiece’s ...

IWC Portofino Perpetual Calendar in 18-karat rose gold. IWC. I’ve been in the watch industry a very long time. In fact, I started my journey in late 1984 and my first full year in timepieces was ...

To fix the calendar going forward, he introduced what we use now: the Gregorian calendar. It’s essentially the Julian calendar, but with a new rule: All years divisible by four are to be leap ...

Feb. 29 is a bonus day in 2024 – which happens only every four years. The last leap year was 2020. Typically, February has only 28 days. Our shortest month gets a day longer in 2024, as it does ...

The confusion grew: "February 30, 1712, came into existence in Sweden when the Julian calendar was restored and two leap days were added that year." Sweden’s final conversion to the Gregorian ...