{"product_id":"hr-quick-fit-mainspring-k943-for-longines-caliber-12-19-alloy","title":"HR Quick Fit Mainspring K943 for Longines caliber 12.19 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eHR\u003c\/strong\u003e \u003cem\u003eQuick Fit\u003c\/em\u003e alloy mainspring No. K943 for \u003cstrong\u003eLongines\u003c\/strong\u003e caliber 12.19 movements, T-end, 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 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":49310140760372,"sku":"PMS-HRQF943A-10","price":7.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-10-0314.13.41.jpg?v=1791062149","url":"https:\/\/www.vintagetimeparts.com\/products\/hr-quick-fit-mainspring-k943-for-longines-caliber-12-19-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}