{"product_id":"elgin-factory-mainspring-for-5-0s-grade-823-824-alloy-1","title":"Elgin Factory Mainspring for 5\/0s Grade 823, 824 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eElgin \u003c\/strong\u003eGenuine\u003cstrong\u003e \u003c\/strong\u003eFactory Mainspring for 5\/0s Grade 823 \u0026amp; 824 movements, alloy, new in envelope. These were basically Swiss ST 1686 caliber based movements so this will fit things many other than the specified Elgin grades. I likely have several of these so the one you receive may differ very 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":"Elgin","offers":[{"title":"Default Title","offer_id":49119134384436,"sku":"PMA-ELG258823A-04","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-04-26_15.01.00.jpg?v=1745704936","url":"https:\/\/www.vintagetimeparts.com\/products\/elgin-factory-mainspring-for-5-0s-grade-823-824-alloy-1","provider":"Vintage Time Parts","version":"1.0","type":"link"}