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Parmigiani Thirty-year Continuous Lunar Calendar Clock

[Press Release] Never before in the history of watchmaking has a Hegirian mechanical continuous calendar been invented by a Swiss Haute Horlogerie company.

The only one of its kind in the world and achieved after many years of research, the Parmigiani thirty-year continuous lunar calendar clock indicates the time over a lunar cycle lasting 30 years, alternating the 19 normal years with 11 leap years.

Based on the ephemerides from the Paris Observatory,  Parmigiani Fleurier’s thirty-year lunar calendar is theoretical as it is based on the observation of the celestial mechanical movement.

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