The first brand to introduce the leap year indicator on a wrist watch. Here's a quick run through featuring some special ...

As we now look back at the past month, as it could easily feel like it has flown by, let us take a moment to dive a little ...

Here's what to know. A leap year is a year with an extra day added to the calendar — also known as leap day — on the29th day of February. The purpose is to keep it aligned with the Earth's ...

The emperor Caesar adopted a 365-day calendar and added 10 days to it, including a leap day in February every four years, writes Calendar.com. Eventually, the calendar we all know was adopted by ...

Why does Leap Year occur once every 4 years? Our calendar is not entirely in sync with our planet’s trip around the sun. If your birthday is on Feb. 29, what date do you use for official ...

In 1955, the maison released the world's first perpetual calendar wristwatch with a leap year indicator; in 1978, it debuted the Calibre 2120/2800, the world's thinnest automatic perpetual calendar ...