Vacheron Constantin The Berkley Grand Complication 

At Watches and Wonders Geneva 2024, Vacheron Constantin introduced the most complicated pocket watch ever produced. Watchonista interviewed the brand's Heritage & Style Director, Christian Selmoni, about the record number of 63 complications, the challenges of the Chinese Perpetual calendar, and the impressive team of three master watchmakers at Les Cabinotiers department who have been working on the project for 11 years.
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