{"product_id":"nbms-mainspring-for-elgin-21-0s-factory-no-5724-6005-alloy","title":"N.B.MS Mainspring for Elgin 21\/0s Factory No. 5724 \/ 6005 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eN.B.MS \u003c\/strong\u003eMainspring for \u003cstrong\u003eElgin\u003c\/strong\u003e\u003cstrong\u003e \u003c\/strong\u003e21\/0s movements, Factory No. 5724 \/ 6005, white alloy, new in envelope. 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":"N.B.MS","offers":[{"title":"Default Title","offer_id":48576364806452,"sku":"PMA-NBMS6005A-05","price":4.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-05-0916.56.02.jpg?v=1746835086","url":"https:\/\/www.vintagetimeparts.com\/products\/nbms-mainspring-for-elgin-21-0s-factory-no-5724-6005-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}