M4[Parmigiani Moderator]
10140
Manually machining a Parmigiani dial.
This video from Parmigiani shows the dial guilloche being performed manually on a straight line engraving engine.
There was some question in past months on the process which I believe this video puts to rest.
This message has been edited by India Whiskey Charlie on 2025-06-19 23:53:53