====== 2100 ======

<WRAP year>
  *  This year 2100 is of importance for mechanical watches, because according to the [[Gregorian calendar]] it is not a [[leap year]]. Some [[perpetual calendar]]s (eg by [[IWC]]) support the consideration of this exception by a single operator intervention.\\ [[Svend Andersen]] in [[1996]] reached the accievement even to automate this change, with his development of the wristwatch [[Perpetual Secular Calender]] Namely the watch has a wheel that only rotates once every 400 years and so balances the absence of a leap year in 2100, making it the world's first wristwatch that can do that.
<- [[2099]] | [[2101]] ->
</WRAP>


{{tag>Year}}