{"product_id":"marco-mainspring-2764-for-gruen-caliber-140-141-steel","title":"Marco Mainspring #2764 for Gruen caliber 140, 141 - Steel","description":"\u003cp\u003e\u003cstrong\u003eMarco\u003c\/strong\u003e Mainspring No. 2764 for \u003cstrong\u003eGruen\u003c\/strong\u003e caliber 140, 141 movements and perhaps others as well, 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":49366930587956,"sku":"PMS-CEM2764S-11","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-11-0413.05.21.jpg?v=1793826468","url":"https:\/\/www.vintagetimeparts.com\/products\/marco-mainspring-2764-for-gruen-caliber-140-141-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}