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 chronograph, but modifications are so deep, that it no longer can be considered a module. Modern Pateks are integrated. Glashutte I believe is a module. The lower end ones are mostly Valjoux 7750 with either DD or Jaquet modules.