{"product_id":"hr-quick-fit-mainspring-k259a-for-gruen-405-410-420-425-alloy","title":"HR Quick Fit Mainspring K259A for Gruen 405, 410, 420, 425 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eHR \u003c\/strong\u003e\u003cem\u003eQuick Fit \u003c\/em\u003eMainspring\u003cstrong\u003e \u003c\/strong\u003eK259A Mainspring for \u003cstrong\u003eGruen\u003c\/strong\u003e caliber 405, 410, 420, 425 movements plus possibly others, white alloy, new in envelope. See images for precise mainspring specifications. I specialize is hard to find watch parts so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item.\u003c\/p\u003e","brand":"HR","offers":[{"title":"Default Title","offer_id":48574200119604,"sku":"PMS-HRQFK259AA-05","price":12.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-05-0611.41.15.jpg?v=1746556922","url":"https:\/\/www.vintagetimeparts.com\/products\/hr-quick-fit-mainspring-k259a-for-gruen-405-410-420-425-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}