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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:

http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&0&2uswk&Seiko_6309A
Excellent. Thanks for that.:)
You can also find info here http://www.christophlorenz.de/watch/index.php?l=en and here is the forum technical repair pdf section , which has a lot of information http://www.thewatchsite.com/14-user...-seiko-calibers-technical-repair-manuals.html
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