Greubel Forsey
Swiss watchmaker Greubel Forsey specialises in intricate, high-end clocks. Robert Greubel and Stephen Forsey founded it in 2004, and it has its headquarters in Switzerland. Greubel Forsey creates clocks with several tourbillons and slanted balance wheels. A mono-material balance-and-spring wheel combination mechanism using isochronically stable materials is called the Binomial, according to EWT inventions. Mechanical nano, which dramatically improves the performance of mechanical watches by using micro-scale components to create new display systems.