Vibrations per hour

Vibrations Per Hour or VPH is a mechanical timepiece specification.

VPH describes the number of times that a vibrating timekeeping component completes a vibration cycle in 1 hour. More vibrations per hour yields higher timekeeping resolution, and usually indicates a higher precision mechanical movement.[1]

References

  1. ↑ "Vibration, VPH". Retrieved 31 August 2013.
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