{"product_id":"borel-mainspring-sa416-for-illinois-16s-factory-no-47331-alloy","title":"BOREL Mainspring SA416 for Illinois 16s Factory No. 47331 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eBOREL\u003c\/strong\u003e Mainspring SA416 for \u003cstrong\u003eIllinois\u003c\/strong\u003e 16s movements, Factory No. 47331, 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 in 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":"BOREL","offers":[{"title":"Default Title","offer_id":48707180724532,"sku":"PMA-MSJA415A-07","price":17.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-07-1919.00.12.jpg?v=1752976980","url":"https:\/\/www.vintagetimeparts.com\/products\/borel-mainspring-sa416-for-illinois-16s-factory-no-47331-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}