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Mainspring Part number for 18 Size 21 Jewel Bunn SpecialGo ![]() | New Topic ![]() | Find-Or-Search ![]() | Notify ![]() | Tools ![]() | Reply to Post ![]() | |
| IHC Member 1614 |
Can anyone tell me the part# of this spring? Thanks Bill | ||
| IHC Life Member |
Which spring? Regards, Bob | |||
| IHC Member 1614 |
Sorry, the main spring Bill | |||
| IHC Life Member |
Factory part no. is 53, later part no. is 47303. Fits all 18s. Regards, Bob | |||
| IHC Member 1614 |
Thanks Bob! Bill | |||
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Internet Horology Club 185
IHC185™ Discussion Site Main Page
Open to the World RESEARCH FORUMS
Illinois Watch Company Research Forum
Mainspring Part number for 18 Size 21 Jewel Bunn Special
