{"product_id":"bestfit-mainspring-3515a-for-gruen-caliber-375-omega-caliber-485-alloy","title":"BESTFIT Mainspring 3515A for Gruen caliber 375, Omega caliber 485 - Alloy","description":"\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eBESTFIT \u003c\/strong\u003eMainspring 3515A for Gruen caliber 375, Omega caliber 485 bracelet movements plus perhaps similar ébauche watches, white alloy. 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 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\/span\u003e\u003c\/p\u003e","brand":"BESTFIT","offers":[{"title":"Default Title","offer_id":48506122338612,"sku":"PMS-BEST3515AA-03","price":7.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-03-1518.09.55.jpg?v=1742087519","url":"https:\/\/www.vintagetimeparts.com\/products\/bestfit-mainspring-3515a-for-gruen-caliber-375-omega-caliber-485-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}