1844
Antoine Norbert de Patek (below right) meets Jean Adrien Philippe (left) in Paris.
The company produces its first watch with keyless winding and hands setting.
1845
The company makes its first pocket watch with minute repeater.
Patent for Watch with stem winding and hands setting mechanism.
1851
The Great Exhibition takes place in London, where England’s Queen Victoria is among those who admire the world’s first keyless watches.
"Patek & Cie" becomes "Patek Philippe & Cie".
1909
The “Duke of Regla” coat-of-arms pocket watch: Patek Philippe realizes an exceptional timepiece with a minute repeating mechanism that plays the Westminster chimes on a petite and grande sonnerie.
1927
James Ward Packard collects his Patek Philippe astronomical pocket watch.
The first wristwatch chronographs with or without split-seconds begin regular production at Patek Philippe.
1932
The two brothers Jean and Charles Stern purchase the Patek Philippe Company.
Introduction of the first model from the Calatrava collection: Ref. 96.
1933
Patek Philippe realizes the "Supercomplication" pocket watch for Henry Graves.
Until 1989, this pocket watch remains, with its 24 complications, the world’s most complicated timepiece.
1944
Patek Philippe wins a record number of first prizes for precision in the Geneva Observatory competition for marine chronometers.
1962
A new timekeeping precision record is achieved by Patek Philippe in the Geneva Observatory competition.
1976
Introduction of the first model of the Nautilus sports watch collection: the Ref. 3700/1 Steel.
1989
To celebrate 150 years of Patek Philippe, the company creates the most complicated portable timepiece ever made, the Caliber 89 with 33 complications.
1996
Patent for Annual Calendar mechanism.
Patek Phillipe moves into new building in Plan-Les-Ouates.
2000
To mark the Millennium, Patek Philippe presents the Star Caliber 2000, a double-sided pocket watch with 21 complications.
2002
Patek Philippe launches its most complicated wristwatch ever produced with double-face: the Sky Moon Tourbillon.