{"product_id":"trutex-unbreakable-mainspring-for-gruen-405-to-430-alloy","title":"Trutex Unbreakable Mainspring for Gruen 405 to 430 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eTrutex\u003c\/strong\u003e Unbreakable Mainspring for \u003cstrong\u003eGruen\u003c\/strong\u003e caliber 405, 406, 410, 411, 420, 421, 425, 426, 430 plus perhaps other similar \u003cspan class=\"st\"\u003eébauche\u003c\/span\u003e movements as well, alloy, new in open 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. \u003c\/p\u003e","brand":"Trutex","offers":[{"title":"Default Title","offer_id":47452863627572,"sku":"PMS-TRUT2141A-09","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/products\/3847712129.jpg?v=1705296317","url":"https:\/\/www.vintagetimeparts.com\/products\/trutex-unbreakable-mainspring-for-gruen-405-to-430-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}