====== Annual calendar ======

{{wst>image_cl|Patek Philippe|Annual Calendar 5035}}

An **annual calendar** is a mechanism with which the [[date]] of a watch needs to be set only once a year (depending on [[leap year]] at the end of February). In contrast to this, watches with [[perpetual calendar]] are able to display leap years properly without manual intervention.

Depending on the display used, this [[complication]] may also be called a **full calendar**, **complete calendar**, or **triple calendar** These display the day, date, and month.

The annual calendar complication did not arrive on the market until [[1996]] when [[Patek Philippe]] introduced the [[Patek Philippe Annual Calendar 5035|Ref. 5035]]. It remains a rare complication to this day, with most watches featuring a [[simple calendar]].

In recent years, manufacturers have disguised the calendar complications to greater extent. The [[2006]] [[H. Moser & Cie.]] [[H. Moser & Cie. Perpetual 1|Perpetual 1]] uses a small arrow-shaped pointer at the center of the dial to indicate the month using the hour markers. The [[Rolex]] [[Rolex Sky-Dweller|Sky-Dweller]], introduced in [[2012]], uses a colored marker outside the hour markers to indicate the month. Both of these leave just a standard date window as their only obvious calendar component.


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