Glossary
Bent index
The balance spring stud and curb pins are usually within a 90° angle. In a "bent" index, this angle is smaller to reduce the distance between the stud and the pins.
Related themes:
- french: Raquette coudée
- japanese: 傾斜緩急針／ケイシャカンキュウシン
- chinese: 弯曲微调器
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