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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 Ball Elinvar Question
Internet Horology Club 185 IHC185™ Discussion Site Main Page Open to the World RESEARCH FORUMS Ball Watch Company Research Forum Ball Elinvar QuestionGo | New Topic | Find-Or-Search | Notify | Tools | Reply to Post | |
| IHC Member 1739 |
I was told that some 999B watches were Elinvars and were not marked, but the way you could tell was if it had a silver balance wheel and weights.Is there any truth to this. Thanks Nick | ||
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| IHC President Life Member  |
Welcome Aboard Nick, It would be easier to respond had you included your movement number for clarification. All the Ball 999B movements are clearly marked as such, but will not have specific "Elinvar" markings. However, they do have an "Elinvar-Extra" hairspring and solid balance wheel as shown in the image below. On both these features they are identical to the contemporary Hamilton 992B movements. Production numbers on the Ball-Hamilton 999B are detailed along with all 16-size Ball-Hamilton movements here... 16-size Ball-Hamilton 999 and 999B Movement Numbers and Years Listing Hope this is of help to you and others. Lindell  Typical Ball-Hamilton 999B from my collection...  | |||
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| IHC Member 1739 |
Lynn, thanks for your call and response to my question. I have been collecting Pocket watches since 1970 and have settled on Ball watches,I see I have a lot to learn. I recently acquired an 18 size single roller that needed work, I will send photos etc when it returns so that it can be added to your data base. Thanks again and I'm sure I will be needing more education. Nick | |||
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