Patek Philippe & Co.
|Founded||1839 (Patek, Czapek & Cie.)
1851 (Patek Philippe & Cie.)
|Key people||Claude Peny (CEO)
Thierry Stern (President)
|Revenue||€744.2 million (2012)|
Patek Philippe & Co. (PP) is a Swiss luxury watch manufacturer founded in 1851, located in Geneva and the Vallée de Joux. It designs and manufactures timepieces and movements including some of the most complicated mechanical watches. It is widely considered the world's most prestigious watch brand by many experts and aficionados. 
Polish watchmaker Antoni Patek started making pocket watches in 1839 in Geneva, along with his fellow Polish migrant Franciszek Czapek. They separated in 1844, and in 1845 Patek joined with the French watchmaker Adrien Philippe, inventor of the keyless winding mechanism. Patek Philippe & Co was founded in 1851.
Like other Swiss manufacturers, the company produces mostly mechanical movements of the automatic and manual wind variety, but has produced quartz watches in the past, and a digital wrist watch, the Ref. 3414.
Patek Philippe is notable for manufacturing its own watch components.
Patek Philippe timepieces have recorded high prices in auctions worldwide. A large part of the demand for auction pieces is driven by Patek Philippe themselves, as they are often purchasing in the auction market to add to the collection of the Patek Philippe Museum in Geneva.
The company has been owned by the Stern family since 1932, and, as of the late 2000s, led by Philippe Stern and his son Thierry Stern, who took over the reins from his father in 2010.
Patek Philippe produced an ultra-complicated (with 24 functions) pocket-watch for Henry Graves, Jr., who entered into a friendly horological competition with James Ward Packard, which resulted in the production of the watch (known as "The Supercomplication") sold to Mr. Graves in 1933. After his death, the watch was auctioned at Sotheby's in December 1999 for USD$11,000,000, at that time the most expensive timepiece ever sold.
On April 10, 2008, "Ref. 5002P Sky Moon Tourbillon" a platinum Patek Philippe tourbillon wristwatch made the world record as the most expensive modern wristwatch sold at Hong Kong Sotheby's for HK$11.75 million ($1.49 million US). The previous record was held by a Vacheron Constantin Tour de l'Ile wristwatch, which sold at Antiquorum for $1.4 million in Geneva in 2005.
On May 10, 2010, a Patek Philippe wristwatch became the most expensive to be sold at auction when purchased by a Swiss museum, through Christie's in Geneva, for 6.26 million Swiss francs ($5.50 million US). The chronograph wristwatch, from yellow gold, has a perpetual calendar and moonphase display, and was produced in 1943 in the Geneva manufacture of Patek Philippe.
On June 7, 2013, a Patek Philippe wristwatch reference #2499 became the most expensive to be sold online at auction when purchased by a California collector, through Auctionata in Berlin, for 471,000 Euro ($611,000 US). The chronograph wristwatch, from yellow gold, has a perpetual calendar and moonphase display, and was produced in 1953 in the Geneva manufacture of Patek Philippe.
Watches owned by royalty
In 1851, Patek Philippe started supplying its watches to Queen Victoria and her consort, Prince Albert. Queen Victoria acquired a key-wound Patek Philippe watch created in a pendant style in November 1851 during the Great Exhibition of London. The queen owned one more exclusive Patek Philippe timepiece, to be worn pinned to clothing. This watch was suspended from a diamond and enamel brooch.
Patek Philippe clientele has included Christian IX and Princess Louise of Denmark (the king and queen of Denmark), Victor Emmanuel III of Italy (king of Italy and Duke of Savoy), Hussein Kamel (Sultan of Egypt from 1914 to 1918).
In 1989, Patek created one of the most complicated mechanical watches ever made, the Calibre 89, created for the 150th anniversary of the company. It holds 39 complications, including the date of Easter, time of sunrise, equation of time, sidereal time, and many other indicators. 1,728 unique parts allow sidereal time, a 2,800 star chart, and more. The Calibre 89 is also able to add a day to February for leap years while leaving out the extra day for every 100 year interval.
- Calatrava (watch)
- Automatic watch
- Franciszek Czapek
- List of watch manufacturers
- Antiques Roadshow appraisal aired on January 3, 2005, by Paul Hartquist, Hartquist Jewelers, St. Paul, Minnesota 
- Cf. Patek Philippe website official history timeline
- "Profile: Patek Philippe", Hoover's database
- "Robb Report".
- Clerizo, Michael, "Watch Auctions: Time Honored: With their mystique, brands like Patek Philippe can command hundreds of thousands of dollars at watch auctions", The Wall Street Journal, April 29, 2010
- Frank, Robert, "All That Glitters May Not Be Gold", The Wall Street Journal, October 8, 2007
- Patek Philippe Museum website
- KPMG, "Standing the Test of Time", pp.16-18, in Consumer Currents, Issue 5, 2008, KPMG International
- GMT - Great Magazine of Timepieces, No. 31 - Spring 2013, Interview with Thierry Stern, P.80-82
- Rohleder, Anna (November 28, 2001). "The Most Expensive Watch". Forbes.com. Retrieved November 3, 2007.. WebCitation archive.
- "Watch sets record price at Hong Kong auction", Reuters (UK), Thursday, April 10, 2008
- "RESULTS: Important Watches including a Connoisseur's Vision Part II", Christie's, press release, 10 May 2010
- "Patek Philippe reference 2499 sells online for a record USD 621k", The Watchlounge, auction report, 10 June 2013
- Timepieces for Royalty – 1850-1910 by Patek Philippe, Geneva : Patek Philippe Museum, 2005.
- Timepieces Owned by Kings and Queens
- The 9 Most Important Watches in the World John Biggs, Popular Mechanics
- "The Patek Philippe Caliber 89". Retrieved November 3, 2007.
- "The Purists.net, Patek Philippe 2005 technical innovations". Retrieved January 23, 2009.
- Library of reference books on Patek Philippe watches and company - Patek Philippe website
- Thompson, Joe, "Family Values: Patek Philippe’s Thierry and Philippe Stern", WatchTime Magazine, August 8, 2012
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