{"product_id":"illinois-mainspring-for-16s-no-47315-exact-alloy","title":"Illinois Mainspring for 16s No. 47315 (EXACT) - Alloy","description":"\u003cp\u003e\u003cstrong\u003eIllinois \u003c\/strong\u003eEXACT\u003cstrong\u003e \u003c\/strong\u003eMainspring for 16s, Factory No. 47315, Swiss made White Alloy (unbreakable, rustless), 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":"EXACT","offers":[{"title":"Default Title","offer_id":49359529279796,"sku":"PMA-EXA47315A-10","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-11-0209.39.24.jpg?v=1793641403","url":"https:\/\/www.vintagetimeparts.com\/products\/illinois-mainspring-for-16s-no-47315-exact-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}