{"product_id":"hr-nivastar-unbreakable-mainspring-g227-for-langendorf-caliber-2-alloy","title":"HR Nivastar Unbreakable Mainspring G227 for Langendorf caliber 2 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eHR \u003c\/strong\u003e\u003cem\u003eNivastar\u003c\/em\u003e Mainspring G227 for \u003cstrong\u003eLangendorf\u003c\/strong\u003e (Lanco) caliber 2 movements, plus perhaps other movements, alloy, 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 in hard to find watch parts so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do an OK job of representing the item.\u003c\/p\u003e","brand":"HR","offers":[{"title":"Default Title","offer_id":49130695524660,"sku":"PMS-HRNSG227A-05","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-05-1720.38.30.jpg?v=1779075642","url":"https:\/\/www.vintagetimeparts.com\/products\/hr-nivastar-unbreakable-mainspring-g227-for-langendorf-caliber-2-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}