{"product_id":"nuvigor-mainspring-150-for-waltham-37s-8-day-movements-no-2232-steel","title":"NuVigor Mainspring #150 for Waltham 37s 8-Day movements No. 2232 - Steel","description":"\u003cp\u003e\u003cstrong\u003eNuVigor\u003c\/strong\u003e\u003cem\u003e\u003c\/em\u003e Mainspring No. 150 for \u003cstrong\u003eWaltham \u003c\/strong\u003e37s 8-Day 7j Auto \/ Car Clock \u0026amp; Travel Clock movements, Factory No. 2232, steel, new in frail envelope. See images for precise mainspring specifications. I specialize is hard to find watch parts and all watch parts are unconditionally guaranteed. Images do an adequate job of representing the item.\u003c\/p\u003e","brand":"NuVigor","offers":[{"title":"Default Title","offer_id":49158635585844,"sku":"PMA-NUV0150S-06","price":16.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-06-1316.08.12.jpg?v=1781392293","url":"https:\/\/www.vintagetimeparts.com\/products\/nuvigor-mainspring-150-for-waltham-37s-8-day-movements-no-2232-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}