{"product_id":"nuvigor-mainspring-243-for-hamilton-6-0s-factory-no-2321-steel","title":"NuVigor Mainspring #243 for Hamilton 6\/0s Factory No. 2321  - Steel","description":"\u003cp\u003e\u003cstrong\u003eNuVigor \u003c\/strong\u003eMainspring #243 for \u003cstrong\u003eHamilton\u003c\/strong\u003e 6\/0s movements, Factory No. 2321, steel, new in envelope. See images for precise mainspring specifications. I specialize is hard to find watch parts and all watch parts are unconditionally guaranteed. Images do an adequate job of representing the item.\u003c\/p\u003e","brand":"NuVigor","offers":[{"title":"Default Title","offer_id":48733020193076,"sku":"PMA-NUV0243S-07","price":3.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-07-2415.53.09.jpg?v=1753398292","url":"https:\/\/www.vintagetimeparts.com\/products\/nuvigor-mainspring-243-for-hamilton-6-0s-factory-no-2321-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}