{"product_id":"marco-mainspring-no-2959-for-cortebert-caliber-640-steel","title":"Marco Mainspring #2959 for Cortebert 640, Font 200 - Steel","description":"\u003cp\u003e\u003cstrong\u003eMarco\u003c\/strong\u003e Mainspring No. 2959 for Cortebert caliber 640 and Font caliber 200 movements and perhaps others, steel, 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":48984260772148,"sku":"PMS-CEM2959S-12","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-03-29_11.14.05.jpg?v=1774808100","url":"https:\/\/www.vintagetimeparts.com\/products\/marco-mainspring-no-2959-for-cortebert-caliber-640-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}