{"product_id":"usr-mainspring-for-illinois-16s-60hr-no-47309-steel","title":"USR Mainspring for Illinois 16s 60hr No. 47309 - Steel","description":"\u003cp\u003e\u003cstrong\u003eUSR\u003c\/strong\u003e Mainspring for \u003cstrong\u003eIllinois\u003c\/strong\u003e 16s 60hr Motor Barrel movements, Factory No. 47309 (really old No. 1759), steel, new in envelope. See images for further details. 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":"USR","offers":[{"title":"Default Title","offer_id":48639056544052,"sku":"PMA-USR47309S-06","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-06-2314.39.32.jpg?v=1750715065","url":"https:\/\/www.vintagetimeparts.com\/products\/usr-mainspring-for-illinois-16s-60hr-no-47309-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}