{"product_id":"hr-quick-fit-mainspring-k419-for-cortebert-caliber-635-alloy","title":"HR Quick Fit Mainspring K419 for Cortebert caliber 635 - Alloy","description":"\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eHR \u003c\/strong\u003e\u003cem\u003eQuick Fit \u003c\/em\u003eMainspring K419 for \u003cstrong\u003eCortebert\u003c\/strong\u003e caliber 635 plus perhaps similar ébauche movements, white alloy, new in envelope. See images for precise mainspring specifications. I specialize in 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. \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"HR","offers":[{"title":"Default Title","offer_id":48985615040820,"sku":"PMS-HRQFK419A-12","price":7.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-12-2819.56.28.jpg?v=1766980779","url":"https:\/\/www.vintagetimeparts.com\/products\/hr-quick-fit-mainspring-k419-for-cortebert-caliber-635-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}