USR Mainspring for E. Howard 6s No. 242 – Steel
USD 4.00 USD
Specifications
| Brand | USR |
| Country/Region Of Manufacture | Switzerland |
| MPN | 242 |
| SKU | PMA-HO0242S-11 |
| Type | Mainspring |
USR is short for Ulysse Sandoz-Robert of La Chaux-de-Fonds, Switzerland. Images do a pretty good job of representing the item. USR Mainspring forE. South Bend Watch Material Catalog Oct 1928 - reprint.
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