Fast vs. Slow, Hertz vs. VPH: Frequency Explained

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Fast vs. Slow, Hertz vs. VPH: Frequency Explained

Post by koimaster » March 29th 2020, 10:30am

Fast vs. Slow, Hertz vs. VPH: Your Watch’s Frequency Explained
by Ashton Tracy

Vibrations per hour (vph), Hertz (Hz), beats per hour (bph), or train count: no matter what you call it, all watches have it. Well, what is it?

Hertz (Hz) is metric and measured in full cycles per second; vph is traditional and refers to half cycles per hour. To convert Hertz to vph (or vice versa), multiply (or divide by) 7,200: 3,600 (seconds in an hour) x two (half beats).

“Frequency” is most commonly referred to as “vibrations per hour,” though, and refers to how fast the escapement of the watch ticks. ... explained/


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Re: Fast vs. Slow, Hertz vs. VPH: Frequency Explained

Post by TemerityB » March 29th 2020, 12:34pm

A good read.
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