{"product_id":"hr-nivastar-mainspring-g398-for-felsa-177-alpina-590-bidlingmaier-104-alloy","title":"HR Nivastar Mainspring G398 for Felsa 177, Alpina 590, Bidlingmaier 104 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eHR \u003c\/strong\u003e\u003cem\u003eNivastar\u003c\/em\u003e\u003cstrong\u003e \u003c\/strong\u003eMainspring No G398 for Felsa 177, Alpina 590, Bidlingmaier caliber movements plus perhaps other watches as well, alloy, new in envelope. See images for further data and 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":"HR","offers":[{"title":"Default Title","offer_id":49109574811956,"sku":"PMS-HRNSG398A-05","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-04-2910.22.42.jpg?v=1777485311","url":"https:\/\/www.vintagetimeparts.com\/products\/hr-nivastar-mainspring-g398-for-felsa-177-alpina-590-bidlingmaier-104-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}