{"product_id":"sandsteel-mainspring-for-hamilton-12-0s-factory-no-4128-steel","title":"Sandsteel Mainspring for Hamilton 12\/0s Factory No. 4128 - Steel","description":"\u003cp\u003e\u003cstrong\u003eSandsteel\u003c\/strong\u003e\u003cstrong\u003e \u003c\/strong\u003eMainspring for \u003cstrong\u003eHamilton\u003c\/strong\u003e 12\/0s movements, Factory No. 4128, steel, new in envelope.  See images for precise mainspring specifications. I specialize in 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":"Sandsteel","offers":[{"title":"Default Title","offer_id":47452887384372,"sku":"PMA-SAND4128S-101","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/products\/3909306870.jpg?v=1705297171","url":"https:\/\/www.vintagetimeparts.com\/products\/sandsteel-mainspring-for-hamilton-12-0s-factory-no-4128-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}