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Balance Complete Inca vs Non-Shockproof


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I am trying to get a replacement for an ETA 1080 balance complete. I have found a seller on eBay selling NOS Renata brand replacements. In the description for the balance complete, it states that it is for "Inca" (which I imagine to mean Incabloc) bridges. The ETA 1080 I have is not of the Incabloc variety. Would an "Inca" balance complete not be suitable for this ETA 1080?

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You need to make sure that the overall length and the height where the rivet are the same. The latter dosn't have to be 100% exact.

The profile of incabloc staffs are different (to provide the shocvk proof function) but this may have little effect when using in a non-incablock setting.

http://www.balancestaffs.com/eta.php

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Hi,

I have faced the same problem several times and noted, using info from balancestaffs.com, that the overall length of the balance staffs usually will differ by some 10’s of microns.

Not much but apparently often enough for poor function as I haven’t had any luck trying a ”wrong one”.

Please feedback your findings if you move forward with this as it’s always interesting to hear others experience.




Sent from my iPad using Tapatalk

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