• Based in La Chaux-de-Fonds Switzerland, Prothor is the holding company for Manufacture La Joux-Perret, Prototec SA and Arnold & Son SA, all of which are specialists in the luxury Swiss watch industry
  • Manufacture La Joux-Perret is a recognized player in the field of high quality mechanical movements and components for the mechanical watch industry. Its product range, which uses sophisticated technological skills, boasts hundreds of unique watch movements.


  • DC Advisory advised Citizen Watch Co. Ltd "Citizen" the leading Tokyo based global electronics company famous for its technologically advanced watches, on the acquisition of Prothor Holding SA "Prothor"