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waltham staff identifying


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hi guys, could anyone help me with the correct staff i need,  this is the biggest hurdle for me so far, identifying staffs , 

waltham,  16s, 17jewel,  estimated year 1908,  model 1908, grade 625,  breguet balance spring, micrometer regulator

so far im led to friction fit staff,   but this is definatley not.

i wondered if waltham had a book listing grades and model numbers?

appreciate your input and knowledge on this subject

cheers all

paulos

 

 

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There are other references but SWIGART ILLUSTRATED MANUAL OF AMERICAN WATCH MOVEMENTS is one of the best.

There are usually a few on ebay US now.

It lists most Waltham pocket watches and the parts, as well as other poular American brands, and gives the balance staff number, but for example that model you list it lists 2 balance staffs and does not tell you if they are friction or rivet, but it still worth getting if you collect Walthams as it tells you what screws are used on all models and what hands which makes it worth while for just that.

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hi thuir, thanks very much for your imformation ,this is exactly the book i need,

when ive tried to id the staff i need, it seems to bring me to the friction staffs , as you said; 4860/4861

the staff i removed was not a friction fit?

do you think that maybe the friction staff are the replacement of the old one, maybe updated?

once again thanks for your valuable help

paulos

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