{"product_id":"watch-craft-mainspring-2914w-for-gruen-caliber-370-alloy","title":"WATCH-CRAFT Mainspring 2914W for Gruen Curvex caliber 370 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eWATCH-CRAFT \u003c\/strong\u003eMainspring 2914W for \u003cstrong\u003eGruen\u003c\/strong\u003e \u003cem\u003eCurvex\u003c\/em\u003e caliber 370 movements and perhaps others as well, white alloy, new in envelope. See images for precise mainspring specifications. I likely have several of these so the one you get may differ slightly from the images. 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 an adequate job of representing the item.\u003c\/p\u003e","brand":"C \u0026 E Marshall","offers":[{"title":"Default Title","offer_id":49074032804148,"sku":"PMS-CEM2914WA-04","price":12.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-03-30_14.00.25.jpg?v=1774904496","url":"https:\/\/www.vintagetimeparts.com\/products\/watch-craft-mainspring-2914w-for-gruen-caliber-370-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}