Nivaflex Unbreakable Mainspring N2141 for Gruen 405, 406, 410, 411, 420, 421, 42
USD 12.00 USD
Specifications
| Brand | Nivaflex |
| Country Of Origin | Switzerland |
| MPN | N 2141 |
| SKU | PMS-NIVAN2141A-06 |
| Type | Mainspring |
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. Fulton Watch Crystal Corp Fit-Tite Catalogue No. 2 - reprint.