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Opened July 1999, zOwie is the Internet's first and longest running discussion forum dedicated to Omega brand watches.

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Re: A/h = Vibrations per hr./Oscilations per hr.

1 Most of the modern Tech guides say Frequency 28,800 A/H which is 4 Hz

2 A 21600 can be as good at timekeeping as a 28,800 but you will find less positional error with the fast train. So most moderen watches will run the faster train to get the best timekeeping for your watch.

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A/h = Vibrations per hr./Oscilations per hr.
Re: A/h = Vibrations per hr./Oscilations per hr.
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