Rules and Practice for Adjusting Watches

by Walter J. Kleinlein

[55.] Poor Motion, Cause and Effect.

[56.] Regulator Pin Practice for Pendant Up Variation.

[57.] Pendant Up Corrections Through Poise of Balance

[58.] Concentricity of the Hairspring.

[59.] Correcting Pendant Up Variation Through Pinning

Point Alterations.

[60.] Percentage of Watches Requiring Correction of

Position Rates

CHAPTER XIII