Ballance Hairspring

When a  balance and hairspring come in NOS parts package list as complete does the spring need to be vibrated or is it ready to go.

Thanks

Gerard

1955mercury's picture
1955mercury
Posted October 13, 2014 - 7:08pm

Hi Gerard. They already have the stud on the end of the hair spring and have been vibrated and are ready to go.

Gerard
Posted October 14, 2014 - 11:05am

Thank you.

Gerard