Patek Philippe SA is a Swiss manufacturer of luxury watches and watches. Based in the canton of Geneva and Vallée de Joux, it was founded in 1839, named after its two founders: Antoni Patek and Adrien Philippe. Since 1932, the company has been owned by the Stern family in Switzerland. Remaining the last independent family-owned watchmaker in Geneva, Patek Philippe is one of the world's oldest watchmakers with a history of continuous watchmaking since its inception. The company designs and manufactures watches and mechanisms. Including some of the most complicated mechanical watches The company has more than 400 retail stores worldwide and more than a dozen distribution centers throughout Asia, Europe, North America and Oceania. In 2001, it opened the Patek Philippe Museum in Geneva.

Patek Philippe is widely considered to be one of the most famous watchmakers in the world. As of July 2023, of the world's 10 most expensive watches ever sold at auction, 9 were exclusively Patek Philippe watches. In particular, the Patek Philippe Grandmaster Chime Ref. 6300A-010 currently dominates the watch list. The most expensive watch (and wristwatch) ever sold at auction ($31.19 million/CHF31 million) is the Patek Philippe Henry Graves Supercomplication. It was the most complicated mechanical watch in the world until 1989. It currently holds the title. Most expensive pocket watch ever sold at auction ($24 million/23,237,000 CHF)