Pierre Kunz “Insanity” G019 SportModel: Pierre Kunz Insanity G019 Sport Year: 2000s Features: The Maker. The aptly named Insanity is the brainchild of Pierre Kunz, a veteran of the Swiss watch industry. He completed his formal training at the Valle de Joux watchmaking school, before constructing movements for Victorin Piguet. But he would spend his most important years working at Franck Mullers Watchland studio specialising in complication research and creation. The Brand. His work