{"product_id":"bestfit-mainspring-ja419-for-16s-illinois-no-47333-alloy","title":"Bestfit Mainspring JA419 for 16s Illinois No. 47333 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eBestfit \u003c\/strong\u003eMainspring MS-JA419 for 16s \u003cstrong\u003eIllinois\u003c\/strong\u003e movements, Factory No. 47333, alloy, new in package. 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 an adequate job of representing the item.\u003c\/p\u003e","brand":"Bestfit","offers":[{"title":"Default Title","offer_id":48942028587316,"sku":"PMA-MSJA419A-11","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-11-0916.15.30.jpg?v=1762733878","url":"https:\/\/www.vintagetimeparts.com\/products\/bestfit-mainspring-ja419-for-16s-illinois-no-47333-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}