{"product_id":"nivaflex-mainspring-for-waltham-12s-no-2237-alloy","title":"Nivaflex Mainspring for Waltham 12s Colonial B No. 2237 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eNivaflex \u003c\/strong\u003eMainspring for \u003cstrong\u003eWaltham\u003c\/strong\u003e 12s Colonial B movements, Factory No. 2237, alloy, new in envelope. See images for precise mainspring specifications. I specialize is hard to find watch parts 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":48419856810292,"sku":"PMA-NIVA2237A-01","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-01-1016.25.32.jpg?v=1736555176","url":"https:\/\/www.vintagetimeparts.com\/products\/nivaflex-mainspring-for-waltham-12s-no-2237-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}