{"product_id":"hr-mainspring-sa653-for-seth-thomas-18s-factory-no-729-alloy","title":"HR Mainspring SA653 for Seth Thomas 18s Factory No. 729 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eHR \u003c\/strong\u003eMainspring SA653 for \u003cstrong\u003eSeth Thomas\u003c\/strong\u003e 18s movements, Factory No. 729, alloy, new in envelope. See images for precise mainspring specifications. I likely have several of thee so the one you get may differ slightly from the images. 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":"HR","offers":[{"title":"Default Title","offer_id":47452040560948,"sku":"PMA-HRSA653A-06","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/products\/1962256957.jpg?v=1705281282","url":"https:\/\/www.vintagetimeparts.com\/products\/hr-mainspring-sa653-for-seth-thomas-18s-factory-no-729-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}