Most rattrapante are modules
By: MrkK : October 9th, 2021-23:25
I am not sure about Valjoux 55, to but all Venus rattrapante are modules. Breguets and Patek 5004 are Lemania based. Lange regular rattrapante is a module I believe, not sure about double and triple split. I assume they are still based on Lange chronograp...