BESTFIT Mainspring 311N for A.S. caliber 1538, 1539 – Alloy
USD 12.00 USD
Specifications
| Brand | BESTFIT |
| Country Of Origin | France |
| MPN | 311N |
| SKU | PMS-BEST311NA-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. South Bend Watch Material Catalog Oct 1928 - reprint. Waltham Watch Material Catalogue 1909 edition - reprint.