{"product_id":"nurezista-mainspring-578-for-waltham-0s-factory-no-2220-alloy","title":"NuRezista Mainspring #578 for Waltham 0s Factory No. 2220 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eNuRezista \u003c\/strong\u003eMainspring #578 for \u003cstrong\u003eWaltham \u003c\/strong\u003e0s, Factory No. 2220, alloy, new in envelope. See images for precise mainspring specifications. I likely have several of these so the one you get may differ slightly from the images. I specialize is hard to find watch parts and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item.\u003c\/p\u003e","brand":"NuRezista","offers":[{"title":"Default Title","offer_id":47452048032052,"sku":"PMA-NUR0578A-07","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-07-2414.10.37.jpg?v=1784927491","url":"https:\/\/www.vintagetimeparts.com\/products\/nurezista-mainspring-578-for-waltham-0s-factory-no-2220-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}