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Photo comparison of the 2 different parts & another question
In Response To: Technical help needed - Early Cal.11 GMT movement ()

Below you can see the 2 different hour wheels i am asking about. Its clear to see that my Cal.11 GMT hour wheel has a stepped stem coming up from the cog.
Between myself and my watchmaker we have discussed the possibility of removing the cog from the stem & then having the new cog pressed onto the Cal.11 GMT stem. Does anyone have any input into this theory ?
We are currently awaiting some basic answers from a parts seller as to the specific size & configuration of the standard Cal.12 cog but we hope that someone might be able to jump in with some information that may assist us in the process.

Cal 11 Factory modified GMT Hour Wheel

Cal 12 Standard Hour Wheel

Thanks - Darren

Messages In This Thread

Technical help needed - Early Cal.11 GMT movement
Photo comparison of the 2 different parts & another question
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