What Is a Watch Movement Fourth Wheel: How It Drives the Second Hand
作者: Funny Items
发布时间: 2026-08-21 10:36:03
查看数: 63
The Second Hand Driver
The fourth wheel transfers energy to the second hand.
How It Works
- Receives energy from the third wheel
- Drives the second hand once per minute
- Transfers energy to the escape wheel
- Part of the gear train