{"product_id":"nivaflex-mainspring-for-buren-caliber-300-eta-caliber-705-alloy","title":"Nivaflex Mainspring for Buren caliber 300, ETA caliber 705 - Alloy","description":"\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eNivaflex \u003c\/strong\u003eMainspring for Buren caliber 300 and ETA caliber 705 movements plus perhaps similar ébauche watches, white alloy, new in 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 an adequate job of representing the item. \u003c\/span\u003e\u003c\/p\u003e","brand":"Nivaflex","offers":[{"title":"Default Title","offer_id":49053903552820,"sku":"PMS-NIVAETA705A-03","price":8.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-03-0120.15.40.jpg?v=1772425143","url":"https:\/\/www.vintagetimeparts.com\/products\/nivaflex-mainspring-for-buren-caliber-300-eta-caliber-705-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}