{"product_id":"watch-craft-mainspring-2990w-for-eta-1321-bulova-6ak-mido-1938-tavannes-420-alloy","title":"WATCH-CRAFT Mainspring 2990W for ETA 1321, Bulova 6AK, Mido 1938, Tavannes 420 - Alloy","description":"\u003cp\u003e\u003cb\u003eWATCH-CRAFT \u003c\/b\u003eMainspring 2990W f\u003cstrong\u003e\u003c\/strong\u003eor ETA 1321, Bulova 6AK, Mido 1938, Benrus AG, Felsa 158, Tavannes 420 caliber movements, white alloy, new in envelope. See images for precise mainspring specifications and further details. I specialize in hard to find watch parts 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":49007440134452,"sku":"PMS-CEM2990WA-01","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-01-2611.42.44.jpg?v=1769456586","url":"https:\/\/www.vintagetimeparts.com\/products\/watch-craft-mainspring-2990w-for-eta-1321-bulova-6ak-mido-1938-tavannes-420-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}