How do watch winders work

how do watch winders work
Watch winders keep automatic watches running while they are not being worn by simulating the movement of the wrist. They do this by rotating the watch on a cushioned platform, which keeps the mainspring wound and the watch running.

How it works:

Rotational Motion: The watch winder slowly rotates the watch on a mount or cushion inside a specialized case. This rotation mimics the natural wrist movements, causing the rotor inside the watch to spin and wind the mainspring.
Turns Per Day (TPD): Watches require a certain number of rotations per day (TPD) to stay wound, typically between 650 and 800 turns bi-directionally. Watch winders can be programmed to rotate the watch a specific number of times per day and in certain directions (clockwise, counterclockwise, or both) to meet the watch’s requirements.
Programmed Intervals: Rather than continuous spinning, watch winders operate in intervals throughout a 24-hour period. For example, they might rotate the watch for a set number of turns, then pause, then rotate again, repeating this cycle to avoid overwinding and reduce wear.
Safety Mechanisms: Automatic watches have built-in mechanisms to prevent overwinding, so even if the winder exceeds the required TPD, it will not damage the watch.

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