who in richemont does make these types of balance springs?
who do have the patent or legal right to make them within richemont? think you will find it none
A quick search says VC uses some silicon components in escapements
of some models. They are Richemont, correct?
Good question, to which I don't know the answer, unfortunately.
Here's the answer AI has given (hoping it might be helpful)... Best, Emmanuel You’re asking why Jaeger‑LeCoultre generally does not use a silicon or fully antimagnetic hairspring, especially when many peers do. I’ll answer by combining brand statements an...