Glossary · Regulation
Terminal curve
The shaped final portion of a hairspring.
Explanation
Overcoil and flat terminal curve geometries are chosen so the spring develops concentrically, improving isochronism and positional performance.
Glossary · Regulation
The shaped final portion of a hairspring.
Overcoil and flat terminal curve geometries are chosen so the spring develops concentrically, improving isochronism and positional performance.