How to Metal Etching [#4. Electro Metal Etching] 

Series of video tutorials in which we will explain how to etch the stainless steel cases of our watches, either to restore the original engraving or to personalize our own creations.
Part 1. Removal of the old etching and surface preparation.
Part 2. Computer design of the new engraving.
Part 3. Creation of the protective mask.
Part 4. Electrolysis process.