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Discussion Starter · #1 ·
Hi. I wonder if anybody could tell me the difference in dimensions between a U865 and U866 balance staff. I'd appreciate any help or links to reference sites.
Steve
 

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Discussion Starter · #3 ·
It's from the Ranftt info about an Alpina 595 movement. I think it is the same as a Ronda 640 but that is all I think I know
 

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The doc seems to use Flume designations on his website for some reason. Better just search the Ronda or DCN catalogues for your caliber. For Alpina 595 the Ronda number looks to be 4819 but don't take my word for it.
 
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