Patek Philippe SA is a Swiss luxury watch and clock manufacturer founded in 1839, located in Canton of Geneva and the Vallée de Joux. Since 1932, it has been owned by the Stern family in Switzerland. Patek Philippe is one of the oldest watch manufacturers in the world with an uninterrupted watchmaking history since its founding. It designs and manufactures timepieces as well as movements, including some of the most complicated mechanical watches.
Patek Philippe is widely considered to be one of the most prestigious watch manufacturers in the world. Notable Patek Philippe patrons and timepieces owners include Queen Victoria, Queen Elizabeth II, Pope Pius IX, Marie Curie, Albert Einstein, John F. Kennedy, Nelson Mandela, Pablo Picasso, Pyotr Tchaikovsky and Leo Tolstoy. The Calatrava line of dress watches is most popular.
As of December 2019, among the world's top ten most expensive watches ever sold at auctions, seven are Patek Philippe watches. In particular, Patek Philippe Grandmaster Chime Ref. 6300A-010 currently holds the title of the most expensive watch (and wristwatch) ever sold at auction (31.19 million US dollars or 31 million CHF), while the Patek Philippe Henry Graves Supercomplication, the world's most complicated mechanical watch until 1989, currently holds the title of the most expensive pocket watch ever sold at auction (24 million US dollars or 23,237,000 CHF).