Waltham Factory Mainspring for 7½ ligne 750 Model B No. 2250 – Steel
USD 5.00 USD
Specifications
| Strength | .010 |
| Brand | Waltham |
| Country Of Origin | United States |
| MPN | #2250 |
| SKU | PMA-WAL2250S-1 |
| Type | Mainspring |
Images do a pretty good job of representing the item. Waltham Watch Material Catalogue 1909 edition - reprint. You might also like. South Bend Watch Material Catalog Oct 1928 - reprint.