{"product_id":"marco-marshalloy-mainspring-3030m-for-eta-980-durowe-1268-1290-alloy","title":"Marco Marshalloy Mainspring 3030M for ETA 980, Pierce 59, Durowe 1268, 1290 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eMarco \u003c\/strong\u003e\u003cem\u003eMarshalloy\u003c\/em\u003e\u003cstrong\u003e \u003c\/strong\u003eMainspring 3030M for ETA 980, Pierce 50A, 59, 59D, Durowe 1268, 1290, Langendorf 520 caliber movements and many others (most of them ETA 980 based), white alloy, new in envelope. See images for precise mainspring specifications. I specialize in 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":49100992020788,"sku":"PMS-CEM3030MA-04","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-04-2009.59.50.jpg?v=1776704408","url":"https:\/\/www.vintagetimeparts.com\/products\/marco-marshalloy-mainspring-3030m-for-eta-980-durowe-1268-1290-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}