Ado213 Posted January 4, 2018 Report Share Posted January 4, 2018 As the oils become viscous the amps drop, period. The importance of amplitude is critical to any watch movement. The 3135 has a free sprung balance with a complex over coil hairspring. if you not conversant with this, leave well alone. S/d rate can be corrrcted via the microstella screws on the balance wheel of which there are four, two spairs of two. Two thick, two thin, each pair gives different a/d adjustment. If you mess the balance up you will be looking at a far greater cost than a service Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now