Valjoux friction spring for chronograph runner 7730 7732 + Venus 188 200 210 211 / part 8290

Valjoux 7730 part 8290 friction spring for chronograph runner

Ressort friction du mobile de chronographe

Same part for all Valjoux following calibers 7730 7732

+ Venus following calibers : 188 200 210 211

Pre-owned / pre-used