{"product_id":"nutemper-mainspring-643-for-hamilton-6-0s-2521-steel","title":"NuTemper Mainspring #643 for Hamilton 6\/0s No. 2521- Steel","description":"\u003cp\u003e\u003cstrong\u003eNuTemper \u003c\/strong\u003eMainspring #643 for \u003cstrong\u003eHamilton\u003c\/strong\u003e 6\/0s movements, Factory No. 2521, steel, new in envelope. See image for further details. I likely have several of these so the one you get may differ slightly from the images.  I specialize is hard to find watch parts and all watch parts are \nunconditionally guaranteed. Images do a pretty good job of representing the item. \u003c\/p\u003e","brand":"NuTemper","offers":[{"title":"Default Title","offer_id":47452256174388,"sku":"PMA-NUT0643S-08","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/products\/2367385702.jpg?v=1705286849","url":"https:\/\/www.vintagetimeparts.com\/products\/nutemper-mainspring-643-for-hamilton-6-0s-2521-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}