Patek Philippe SA is a Swiss luxury watch and clock manufacturer founded in 1839, which is located in the Canton of Geneva and the Vallée de Joux.^[3] Since 1932, it has been owned by the Stern family in Switzerland^[4] and remains the last family-owned independent watch manufacturer in Geneva.^[5] Patek Philippe is one of the oldest watch manufacturers in the world with an uninterrupted watchmaking history since its founding.^[6][7][8] It designs and manufactures timepieces as well as movements, including some of the most complicated mechanical watches. The company maintains over 400 retail locations globally and over a dozen distribution centers across Asia, Europe, North America, and Oceania. In 2001, it opened the Patek Philippe Museum in Geneva.^[9][10][11]