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Discussion Starter · #1 ·
Does anyone happen to know the dimensions for the 10BNCH movement? I don’t have superior enough Google-fu to find it. I’m looking for height and diameter, pinion height, that type thing. I’m potentially constructing a movement holder for one and would like to know if it’ll fit the case first.


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I'll have to search but there is also a BNCHR that was a 23 jewel movement that started production around 1960. Other than jewel count, i think they were almost identical.
 

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Discussion Starter · #5 ·
The prototypes used a modified 10BNCH, 10PBNCH I think. 17 jewels as far as I know.


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