{"product_id":"nuvigor-mainspring-566-for-waltham-7-ligne-no-2238-steel","title":"Newall Security Mainspring #566 for Waltham 7¼ ligne No. 2238 - Steel","description":"\u003cp\u003e\u003cstrong\u003eNewall \u003c\/strong\u003e\u003cem\u003eSecurity\u003c\/em\u003e\u003cstrong\u003e Mainspring\u003c\/strong\u003e No. 566 for \u003cstrong\u003eWaltham \u003c\/strong\u003e7¼ ligne Model 650 movements, Factory No. 2238, steel, 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":"Newall","offers":[{"title":"Default Title","offer_id":48681089925428,"sku":"PMA-NEW0566S-06","price":2.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-07-1409.28.36.jpg?v=1752510682","url":"https:\/\/www.vintagetimeparts.com\/products\/nuvigor-mainspring-566-for-waltham-7-ligne-no-2238-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}