Recent Blogs
Watch Stop Mechanism: How the Hacking Lever Works, Parts, Diagram and Calculator
How a watch stop mechanism halts the balance wheel when you pull the crown — design rules, hacking lever geometry, and failure modes for watchmakers.
Geared Watch Stop Mechanism: How It Works, Parts, Diagram & Hacking Lever Uses Explained
Geared watch stop mechanisms halt a movement at a precise tooth count for hacking, setup, and rate testing. How they work, formulas, and examples for...