The Piaget Polo Perpetual Calendar Ultra-Thin in steel is the latest offspring of the Polo series with moon phase and perpetual calendar
A perpetual calendar is a calendar mechanism that correctly displays the date on the watch ‘perpetually’, taking into account the different lengths of the months as well as leap days and sometimes leap years.
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A lot of perpetual calendar watches also have a moon phase complication, but it’s not standard. As a moon phase complication is a separate feature. Other calendars for watches are the basic triple calendar and the more advanced annual calendar.
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Watches with a perpetual calendar
You are looking at the Patek Philippe Grandmaster Chime Ref. 6300A-010, the most expensive watch in the world – whatever anyone says…
To celebrate half a century of the Aquatimer: the IWC Aquatimer Perpetual Calendar Digital Date-Month Edition 50 Years Aquatimer
The Urban Jürgensen Reference 1741 uses their P4 caliber as base movement; a perpetual calendar with leap year and moon phase is added
The A. Lange & Söhne 1815 Rattrapante Perpetual Calendar Handwerkskunst is yet another technical showcase by Lange
The Patek Philippe Ref. 1518A in stainless steel from 1943 was the most expensive watch in the world for a while…
Patek’s 2017 contribution to the Only Watch 2017 auction for charity is the Patek Philippe Ref. 5208T-010, a unique piece
The members of the winning team of the 35th America’s Cup wore this Omega Speedmaster X-33 Regatta Chronograph ETNZ
A subtle perpetual calendar based on a model from 1996: this is the Ulysse Nardin Classic Perpetual Ludwig
Completely new, with an updates movement: this is the Glashütte Original Senator Excellence Perpetual Calendar