{"product_id":"nurezista-mainspring-581-for-waltham-0s-3-0s-factory-no-2228-alloy","title":"NuRezista Mainspring #581 for Waltham 0s \u0026 3\/0s Factory No. 2228 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eNuRezista \u003c\/strong\u003eMainspring #581 for \u003cstrong\u003eWaltham \u003c\/strong\u003e0s \u0026amp; 3\/0, Factory No. 2228, 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":48922920190260,"sku":"PMA-NUR0581A-10","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-10-1816.55.03.jpg?v=1760831815","url":"https:\/\/www.vintagetimeparts.com\/products\/nurezista-mainspring-581-for-waltham-0s-3-0s-factory-no-2228-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}