Philippe Dufour is a watch manufacturer belonging to the independent watchmaker academy. It has some commitment to manufacture; the ground plate is made by scraping out from nickel silver, and the gear is cut out from the material and polished with the disc of the boxwood tree spare parts are polished with shrubs called Gentian and diamond paste, etc. Currently there are only two persons engaged in manufacturing, the principal and a watchmaker from Austria. The number of production is very small, annual production is about 20 , even with Simplicity which is the most single function, and 1-2 in annual production in Duality.