Rezista Mainspring #123½ for Gruen caliber 311, 400, 405 – Steel
USD 5.00 USD
Specifications
| Brand | Rezista |
| Country Of Origin | Switzerland |
| MPN | No. 123½ |
| SKU | PMS-REZ01235S-07 |
| 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. Waltham Watch Material Catalogue 1909 edition - reprint. South Bend Watch Material Catalog Oct 1928 - reprint.