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 Posted: Sun Jan 31st, 2010 11:08 pm
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tute^3
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OK, I have a question. I am a WIS/IT (in training). I have two watches with citizen auto movements, the benarus moray (miyota 8215) and the deep blue pro sea diver (miyota 8205). When I hand wind them, the difference in tension of the crown is remarkable. The moray turns easily, with little resistance or noise. The pro sea diver, on the other hand has more resistance and more noise. Both of the watches are keeping good time, so I don't think it's a movement issue. Can anyone shed some light on this?? Or am I just a paranoid wis/it.

thankyou.gif in advance.

rob

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 Posted: Mon Feb 1st, 2010 08:16 am
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romano
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This might help. If I read it right the 8205 has day date capability while 8215 is just date.

 

http://www.citizen.co.jp/miyota_mvt/download/pdf/spec_6T51_8205_8215_821A.pdf

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 Posted: Mon Feb 1st, 2010 10:21 am
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Natevan70
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The only Miyota movement I have is the 8215; and mine also winds with wery little resistance. I can't speak for the other one. I'd make sure the crown isn't rubbing on the protective shoulders, or trying to grab the threads on the tube.

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 Posted: Tue Feb 2nd, 2010 10:31 pm
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tute^3
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very cool link, thanks Romano!! i looked and i don't see any rubbing... thanks for the help.

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