{"product_id":"hr-nivastar-mainspring-g819-for-unitas-caliber-429-alloy","title":"HR Nivastar Mainspring G819 for Unitas caliber 429 - Alloy","description":"\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eHR \u003c\/strong\u003e\u003cem\u003eNivastar\u003c\/em\u003e\u003cstrong\u003e \u003c\/strong\u003eMainspring G819 for \u003cstrong\u003eUnitas\u003c\/strong\u003e caliber 429 movements plus perhaps similar ébauche watches, white alloy. See image 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 a pretty good job of representing the item. \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"HR","offers":[{"title":"Default Title","offer_id":48480983384372,"sku":"PMS-HRNSG819A-03","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-02-2609.08.39.jpg?v=1740590228","url":"https:\/\/www.vintagetimeparts.com\/products\/hr-nivastar-mainspring-g819-for-unitas-caliber-429-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}