{"product_id":"marco-mainspring-196-for-18-0s-elgin-no-1957-steel","title":"Marco Mainspring #196 for 18\/0s Elgin No. 1957 - Steel","description":"\u003cp\u003e\u003cstrong\u003eMarco\u003c\/strong\u003e Mainspring #196 for 18\/0s \u003cstrong\u003eElgin\u003c\/strong\u003e 7j to 15 movements, Factory No. 1957, steel, new in envelope. See images for further details. 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.\u003cbr\u003e\u003c\/p\u003e","brand":"C \u0026 E Marshall","offers":[{"title":"Default Title","offer_id":49247879037236,"sku":"PMA-CEM0196S-08","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-08-1516.28.11.jpg?v=1786836592","url":"https:\/\/www.vintagetimeparts.com\/products\/marco-mainspring-196-for-18-0s-elgin-no-1957-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}