{"product_id":"watch-craft-mainspring-3085w-for-eta-1100-1120-gruen-47-eterna-1118-unitas-173-174-alloy","title":"WATCH-CRAFT Mainspring 3085W for ETA 1100, 1120, Gruen 47, Eterna 1118, Unitas 173, 174 - Alloy","description":"\u003cp\u003e\u003cb\u003eWATCH-CRAFT \u003c\/b\u003eMainspring 3085W f\u003cstrong\u003e\u003c\/strong\u003eor ETA 1100, 1120, Gruen 47, Eterna 1118, Unitas 173, 174 caliber movements, alloy, new in envelope. See images for precise mainspring specifications and further details. 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 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":48981303361844,"sku":"PMS-CEM3085WA-04","price":12.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-03-2915.07.43.jpg?v=1774822151","url":"https:\/\/www.vintagetimeparts.com\/products\/watch-craft-mainspring-3085w-for-eta-1100-1120-gruen-47-eterna-1118-unitas-173-174-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}