133 pages | Published 9/2/2025
Rules and Practice for Adjusting Watches is a practical watchmaking book for anyone concerned with accurate timekeeping. Written in 1920 yet timeless in application, it provides clear, bench-tested methods for watch adjustment and regulation: diagnosing rate errors, improving isochronism, and correcting positional gain and loss.
Focused on results rather than theory, this book offers step-by-step examples of 3-position and 5-position adjustments that illustrate what to change and why. Suitable for working watchmakers, serious amateurs, and careful beginners, it’s a dependable guide to achieving a stable rate and reliable regulation on vintage and contemporary mechanical movements.
