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Welcome Aboard IHC185™ Internet Horology Club 185 IHC185™ Discussion Site Main Page Open to the World RESEARCH FORUMS Ball Watch Company Research Forum 999P Hour wheel and hands
Internet Horology Club 185 IHC185™ Discussion Site Main Page Open to the World RESEARCH FORUMS Ball Watch Company Research Forum 999P Hour wheel and handsGo | New Topic | Find-Or-Search | Notify | Tools | Reply to Post | |
I have Hamilton-Ball 999P-B647947 1938 Does this use 992B parts, hour wheel and hands?? Thanking you for your help! | |||
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I also have Ball B637304 serial number indicating a production date of 1930. Does it also use 992B Hamilton hour wheel and hands?? | ||||
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| IHC President Life Member  |
Hello Dennis, Knowing I am a bit late to the dance, the parts you were asking about on both your watches are the same as those for a Hamilton 992-Elinvar of the same era. When they engineered the entirely new in 1940 Hamilton 992B their claim and the reality was that nothing interchanged from earlier "Pre-B" models. So always remember the "Pre-B" and "B" separation line when seeking any movement parts or hardware as the movements are entirely different. Even the "hole-sizes" in the hands are different, there is no interchangeability. Hope this is of help to you and others, Lindell  | |||
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