adding unnecessary jewels definitely used to be a thing up until the 1970s - see e.g. https://en.wikipedia.org/wiki/Mechanical_watch#.27Jewel_inflation.27 http

adding unnecessary jewels definitely used to be a thing up until the 1970s - see e.g. https://en.wikipedia.org/wiki/Mechanical_watch#.27Jewel_inflation.27 https://en.wikipedia.org/wiki/Mechanical_watch#.27Jewel_infl...