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6309 pbh?

1080 Views 3 Replies 3 Participants Last post by  7s26b
Question. Can anyone tell me the specs of the 6309 movement? As in the beat rate? Just wondering...:)
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21,600 bph. When in doubt for any Seiko movement specs, ask Ranfft:
Excellent. Thanks for that.:)
You can also find info here and here is the forum technical repair pdf section , which has a lot of information
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