Column-Wheel/en
Column-Wheel
| other languages: de fr it |
Also: ratchet wheel, sometimes pillar wheel. A steel switching wheel that has upright columns. It controls all important switching operations in a chronograph mechanism.
Column-Wheel
| other languages: de fr it |
Also: ratchet wheel, sometimes pillar wheel. A steel switching wheel that has upright columns. It controls all important switching operations in a chronograph mechanism.