The core activity of Rewitech SA is the development, manufacture and marketing of precision machines, in particular: cylindrical grinding machines for internal and external processing of precision parts, and mini machining and watch decoration centers for the processing and decoration of watch parts. The company focuses on the production of machines for the watch industry and the processing of precision parts, particularly for the decoration of watch parts such as diamond setting, Côtes de Genève, Colimaçonnage and Ensoleillage.