Waltham Factory Mainspring for 18s Model 1870 KW No. 2206 – Steel
USD 12.50 USD
Specifications
| Strength | .021 |
| Brand | Waltham |
| Country/Region Of Manufacture | Switzerland |
| MPN | #2206 |
| SKU | PMA-WAL2206S-10 |
| Type | Mainspring |
Waltham Factory Mainspring for 18s Model 1870 KW No. 2206 - Steel Waltham Factory Mainspring Factory No. 2206 for 18s Waltham Model 1870 Crescent St Key Wind, steel, new in envelope. I have a couple of these so the one you get may differ slightly from the images.