{"product_id":"elgin-factory-mainspring-for-as-caliber-1187-alloy","title":"Elgin Factory Mainspring for AS caliber 1187 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eElgin \u003c\/strong\u003e Factory Mainspring No. 6711, for AS caliber 1187 and probably a very obscure Elgin grade somewhere, (tongue) end, alloy, new in envelope. I haven't yet found an Elgin grade that's based on this movement. See images for precise specifications. I specialize in hard to find watch parts and all watch parts are unconditionally guaranteed. Images do a satisfactory job of representing the item\u003c\/p\u003e","brand":"Elgin","offers":[{"title":"Default Title","offer_id":49340580692276,"sku":"PMS-ELG6711A-10","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-10-2012.13.46.jpg?v=1792524051","url":"https:\/\/www.vintagetimeparts.com\/products\/elgin-factory-mainspring-for-as-caliber-1187-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}