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Gen ETA 7750 bi mod to Tri compact?

ETAWatchlover

Active Member
5/7/16
376
126
43
Hello ,

I need/ want to fix a hbb V6 with a genuine ETA 7750 tricompax for a more or less affordable price.The problem is sourcing a Tri compax version of the ETA 7750 .Is there the possibility to combine the clone Tri compax movement with the genuine bicompax version? I mean it should only be the top plate which has that 1 extra gear...
The other possibilitie would be the bi compax with a frozen sundial at 3 ?

I hope that someone knows what I mean