{"product_id":"bestfit-mainspring-6511s-for-omega-caliber-410-eterna-caliber-1411d-alloy","title":"BESTFIT Mainspring 6511S for Omega caliber 410, Eterna caliber 1411D - Alloy","description":"\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eBESTFIT \u003c\/strong\u003eMainspring 6511S for Omega caliber 410, Eterna caliber 1411D\u003cspan style=\"font-size: 14px;\"\u003e \u003c\/span\u003emovements plus perhaps similar ébauche movements, white alloy, new in envelope. See images for precise mainspring specifications. I likely have several of these so the one you get may differ 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 a pretty good job of representing the item. \u003c\/span\u003e\u003c\/p\u003e","brand":"BESTFIT","offers":[{"title":"Default Title","offer_id":49183601525044,"sku":"PMS-BEST6511SA-07","price":12.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-07-0320.02.09.jpg?v=1783134280","url":"https:\/\/www.vintagetimeparts.com\/products\/bestfit-mainspring-6511s-for-omega-caliber-410-eterna-caliber-1411d-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}