Exquisite brilliance from the plating bath.
Once they are polished and decorated with circular grained patterns or engravings, the bridges, plates, wheels and levers are ready for electroplating.
All steel and brass parts are given a coted first with pre-gold and then with a layer of nickel by immersion in an electroplating bath. Nickel not only protects against corrosion but also hardens the surface. The thickness of the coating is controlled by the submersion time and the current between the two electric poles in the galvanic bath.
Depending on the watch model, the parts are submersed in a further galvanic tank after the nickel and cleaning baths. Depending on the model, the components are coated with yellow-or rose gold, dark grey ruthenium or rhodium, a shiny white precious metal.