The core activity of Chevillat SA is the development and manufacture of precision products and instruments for the watch industry (horology) and metrology/measurement technology. This includes, among other things: the production of precision components for the watch industry, such as components for watch movements and cases; the development and manufacture of measuring instruments and devices for metrology and measurement technology, such as pneumatic stamps, bands and gauges; the production of precision parts and components through precision machining (turning and milling); and the assembly and control of precision products. The company also offers services such as research and development, subcontracting and parts identification.