Patek Philippe is a Swiss watch brand, officially named by Antoine Norbert de Patek and Jean Adrien Philippe in 1851.In 1868, Patek Philippe created the first Swiss wristwatch for Countess Kosovitz of Hungary; in 1910, it created the "Duke of Reguer" Westminster chime pocket watch; in 1916, it launched the first complex function women's watch equipped with a five-minute timekeeping device; in 1923, it sold the first split-second chronograph; in 1925, it created the first perpetual calendar watch; in 1932, it launched the first Calatrava series watch; in 1956, it launched the first fully electronic clock; from 1968 to 2018, it successively launched the Golden Ellipse series, Nautilus series, Gondolo series, Aquanaut series, and Twenty~4 series watches.
