{"product_id":"nivaflex-mainspring-for-elgin-21-0s-no-6246-alloy","title":"Nivaflex Mainspring for Elgin 21\/0s Grade 650 No. 6246 - Alloy","description":"\u003cp\u003e\u003cb\u003eNivaflex\u003c\/b\u003e Mainspring for 21\/0s \u003cstrong\u003eElgin \u003c\/strong\u003eGrade 650 movements, Factory No. 6246, 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 a pretty good job of representing the item.\u003c\/p\u003e","brand":"Nivaflex","offers":[{"title":"Default Title","offer_id":49003935891764,"sku":"PMA-NIVA6246A-01","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-01-2211.09.00.jpg?v=1769109176","url":"https:\/\/www.vintagetimeparts.com\/products\/nivaflex-mainspring-for-elgin-21-0s-no-6246-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}