{"product_id":"marco-mainspring-188-for-8-0s-elgin-movements-no-5219-steel","title":"Marco Mainspring #188 for 8\/0s Elgin 21j Movements No. 5219 - Steel","description":"\u003cp\u003e\u003cstrong\u003eMarco\u003c\/strong\u003e Mainspring No.188 for 8\/0s \u003cstrong\u003eElgin\u003c\/strong\u003e 21j Wrist Watch movements, Factory No. 5219, steel, new in envelope. Could also very well fit in other models as well. I likely have several of these 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":"C \u0026 E Marshall","offers":[{"title":"Default Title","offer_id":48892429730100,"sku":"PMA-CEM0188S-09","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-09-1212.07.05.jpg?v=1757704292","url":"https:\/\/www.vintagetimeparts.com\/products\/marco-mainspring-188-for-8-0s-elgin-movements-no-5219-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}