Patek Philippe (abbreviated: P.P.) is the first of the world's top three watch brands (the other two are, respectively), founded by Mr. Patek and Mr. Philippe in 1839 in Switzerland. Patek Philippe is the only remaining independent watchmaker in Switzerland, from design, production to assembly of the entire process are built independently, the average retail price of a single watch reaches $ 13,000 to $ 20,000, known as the "blue-blooded nobility of watches".