Valjoux 7750 - chronograph minute Chrono hand runs too slowly
This is a friendly sub for professional, amateur and home watchmakers to ask questions specifically about watch repair and troubleshooting watch related problems. We have Zero Tolerance for Trolls or Assholes, so if that's you, move on. This is not Google, so use the Subs search function before asking a question that has been answered a million times.
