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Swiss compared to chineese high ETA 6497 cannon pinnion


klocklind1

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Does anyone heard anything about that the chinese made cannon pinion for the ETA 6497 movements was not as good as the swiss made???

( Read something about it on the repgeek forum !!!!!!!!!!! )

The chinese ones is less tight in the geartrain and can make the movement get slower in some cases because of this ??

Are the high pinion pin from Davidson the chinese eta or the real swiss one ?

Is there any difference from the swiss and the chinese made ?

Where can You buy the swiss made ones ?

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