Experienced Watches are permitted to use the Formal Geneva Seal on their casings and/or actions. Moreover, they hold this honor assuming that they go on to move subsequent inspections. Via the late 1700s, Vacheron workshops had been acquiring several eager innovations, like many of the to start with timekeeping issues. https://www.watchesworld.com/exploring-the-aesthetics-of-dial-design-and-decoration/