6309 pbh?

1080 Views 3 Replies 3 Participants Last post by 7s26b, May 24, 2014

Mahuta

Discussion Starter · May 24, 2014

Question. Can anyone tell me the specs of the 6309 movement? As in the beat rate? Just wondering...

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Grammarofdesign

· #2 · May 24, 2014

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

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Mahuta

Discussion Starter · #3 · May 24, 2014

Grammarofdesign said:
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.

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7s26b

· #4 · May 24, 2014

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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