{"product_id":"marco-mainspring-2964-for-as-1023-1171-benrus-af-bi-bulova-7ad-7am-7as-steel","title":"Marco Mainspring #2964 for AS 1023, 1171, Benrus AF, BI, Bulova 7AD, 7AM, 7AS - Steel","description":"\u003cp\u003e\u003cstrong\u003eMarco \u003c\/strong\u003eMainspring No. 2964 for AS 1023, 1171, Benrus AF, BI, Bulova 7AD, 7AM, 7AS, Mido 816, 817 caliber movements plus perhaps others, steel, new in envelope. See images for precise mainspring specifications and full supported caliber list. I likely have several of these so the one you get may differ slightly from the images. I specialize is hard to find watch parts so I usually have whatever you might need 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":49366104277300,"sku":"PMS-CEM2964S-11","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-11-0319.51.40.jpg?v=1793764505","url":"https:\/\/www.vintagetimeparts.com\/products\/marco-mainspring-2964-for-as-1023-1171-benrus-af-bi-bulova-7ad-7am-7as-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}