https://quillandpad.com/2018/09/22/valjoux-7750-the-worlds-greatest-chronograph-movement-by-far-by-popularity-and-numbers/
Interesting article with a lot in it, such as column wheel modifications.
Type: Posts; User: LorneG
https://quillandpad.com/2018/09/22/valjoux-7750-the-worlds-greatest-chronograph-movement-by-far-by-popularity-and-numbers/
Interesting article with a lot in it, such as column wheel modifications.