{"product_id":"watch-craft-mainspring-3536w-for-eta-caliber-735-2390-alloy","title":"WATCH-CRAFT Mainspring 3536W for ETA caliber 735, 2390  - Alloy","description":"\u003cp\u003e\u003cstrong\u003eWATCH-CRAFT\u003c\/strong\u003e Mainspring 3536W for \u003cstrong\u003eETA\u003c\/strong\u003e 735, 2390 caliber movements and likely others as well, white alloy, new in envelope. See image for precise mainspring specifications. I likely have several of these so the one you get may differ slightly from the images.  I specialize is 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":49345723400500,"sku":"PMS-CEM3536WA-10","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-10-2418.21.31.jpg?v=1792891611","url":"https:\/\/www.vintagetimeparts.com\/products\/watch-craft-mainspring-3536w-for-eta-caliber-735-2390-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}