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I have read it somewhere that the balance staffs on American pocket watches were much harder than those of Swiss watches. I'll guess mine are all dinged up from the mighty Elgin & Waltham staffs. -
Mine never showed any signs of wear on the edges and it was a Bergeon. -
By Neverenoughwatches · Posted
I have 2 bradux which I seem to think is Bergeon. On both the jaws were a liitle chewed up when i got them in some joblots. No idea if they are hardened but maybe not as roller tables are soft, unless a heavy handed someone has been chopping balance staffs with then . -
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Thanks @Kalanag Indeed, I had overlooked that the canon pinon needs further disassembly (I noticed it earlier today when I was planning the assembly). Is there a trick to separate the pieces? Have you worked on the 889 or also on the 929 geographic/power reserve module? I have an unusual problem. I part appeared during cleaning. I meticulously took pictures of every part I disassembled, but this one isn't captured and I am sure that I didn't see it. Maybe it was stuck to a plate or wheel and I didn't notice it. It's a thin washer-like piece. I found it in the basket compartment with the second time-zone pieces: -
Well done! The tasks I found challenging working on this calibre: - disassembling the very special canon pinion unit (easy to be overlooked!) - oiling the combined jewel-bushings with fixed cap stones (escape wheel) - orienting the friction spring of the second hand pivot correctly
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