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Unidentified Movement - Anyone know?


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Hello,

Would anybody have any idea which make/caliber watch movement this is based on the photos provided. I can only find the L in the fan-like shape symbol on the bottom plate. Nothing underneath the balance as expected. I'm guessing it is from the 1920's era.

Thanks,
Adam

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20190322_222420898_iOS.jpg

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Thank you both. You have solved my mystery! Having checked your suggestions on the caliber, comparing the top plate against the illustrations, according to Ranfft it is a 2-10.5’’’.

 

Now need to select a suitable mainspring according to the Ranfft parameters as my materials house doesn’t list this caliber, and looks like I’ll have to settle for one that is 0.005 stronger (.115) but I guess it will be alright.

 

Thanks again for your help.

 

 

Sent from my iPad using Tapatalk

 

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