Patek Philippe was the first to create a perpetual calendar wristwatch following a commission in 1925 from a collector named Thomas Emery and they used a movement that
link had been created in 1889 for a ladies' pendant watch design.
link Breguet followed in 1929 with the No. 2516 "The Dollfus" and perhaps unsurprisingly given the brand's endless work in movement development
link Jaeger-LeCoultre launched their first perpetual calendar in 1937.