This week on The Business of Watches, we're in La Chaux-de-Fonds to speak to Pascal Béchu, who heads not one, but two Swiss watchmaking brands, Angelus and Arnold & Son.  Pascal Béchu, the CEO of Angelus and Arnold & Son They're both specialized, low-production, high-horology watchmakers, with very different back stories. While Angelus is a historic Swiss brand known for its repeaters, chronographs, and long power reserve movements, Arnold & Son celebrates the work and innovation of one of history's most important (British) watchmakers, John Arnold. While quite different in their product and strategies, the two brands share the same parent company in Japan's Citizen Group, and both work closely with movement maker La Joux-Perret, with whom they share manufacturing and office space in La Chaux-de-Fonds.  Pascal Béchu is in charge of both marques.…