Comsco Mainspring #1012 for Waltham 12s Colonial A Factory No. 2224A – Steel
USD 6.50 USD
Specifications
| Brand | Comsco |
| Country Of Origin | United States |
| MPN | #1012 |
| SKU | PMA-COMS1012S-07 |
| Type | Mainspring |
Distributed by Burton M. Reid and Sons. Images do a pretty good job of representing the item. Waltham Watch Material Catalogue 1909 edition - reprint. South Bend Watch Material Catalog Oct 1928 - reprint.