The Swiss watch company Patek Philippe SA was established in 1839 by François Czapek and Antoine Norbert de Patek. The Stern family has owned it since 1932, making it one of the oldest watch companies with a continuous history of watchmaking since its establishment. One of the most renowned watch companies, Patek Philippe creates luxury timepieces, including some of the most intricate mechanical clocks. The brand has developed many iconic pieces over the years including the Nautilus, Aquanaut, Calatrava, 5070P, 5131G, and many others.