{"product_id":"marco-marshalloy-mainspring-479-for-hamilton-8-0s-no-718271-alloy","title":"Marco Marshalloy Mainspring #479 for Hamilton 8\/0s No. 7221 \/ 718271 - Alloy","description":"\u003cp\u003e\u003cb\u003eMarco\u003c\/b\u003e\u003cem\u003e Marshalloy \u003c\/em\u003eMainspring #479 for Hamilton 8\/0s Movements No. 7221 \/ 718271, alloy, new in envelope.  See images 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 unconditionally guaranteed. Images do an adequate job of representing the item.\u003c\/p\u003e","brand":"C \u0026 E Marshall","offers":[{"title":"Default Title","offer_id":49037298303284,"sku":"PMA-CEM0479A-02","price":7.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-02-0719.33.44.jpg?v=1770521785","url":"https:\/\/www.vintagetimeparts.com\/products\/marco-marshalloy-mainspring-479-for-hamilton-8-0s-no-718271-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}