Jaquet Droz 5863

Caliber 5863 is an automatic in-house movement from Jaquet Droz featuring a perpetual calendar complication. The mechanism displays the date, day, month, and year with leap year indication, automatically correcting for months of varying lengths. As an in-house caliber, it reflects the brand's dedication to traditional watchmaking. The caliber remains in production, featured in Jaquet Droz's perpetual calendar collections.