{"product_id":"hr-quick-fit-mainspring-k674-for-langendorf-caliber-191-pocket-watch-alloy","title":"HR Quick Fit Mainspring K674 for Langendorf caliber 191 Pocket Watch - Alloy","description":"\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eHR \u003c\/strong\u003e\u003cem\u003eQuick Fit \u003c\/em\u003eMainspring K674 for \u003cstrong\u003eLangendorf\u003c\/strong\u003e caliber 191 Pocket Watch movements, white alloy, new in envelope. See images for precise mainspring specifications and further helpful information. 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 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":48988872081716,"sku":"PMS-HRQFK674A-01","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-01-0314.51.07_1ac2b0e8-94d3-4e36-9a68-7bb34b2432a6.jpg?v=1767481965","url":"https:\/\/www.vintagetimeparts.com\/products\/hr-quick-fit-mainspring-k674-for-langendorf-caliber-191-pocket-watch-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}