USR Mainspring for Illinois 16s 60hr No. 47309 – Steel
USD 10.00 USD
Specifications
| Brand | USR |
| Country Of Origin | Switzerland |
| MPN | 1759 |
| SKU | PMA-USR47309S-06 |
| Type | Mainspring |
I likely have several of these so the one you get may differ slightly from the images. Images do a pretty good job of representing the item. Illinois Watch Co Materials Catalog Dec 1923 - reprint. Waltham Watch Material Catalogue 1909 edition - reprint.
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