{"product_id":"bestfit-mainspring-310k-for-as-495-enicar-90-freco-90f-alloy","title":"BESTFIT Mainspring 310K for Breitling 33, Elgin 890, Venus 240, 245, etc. - Alloy","description":"\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eBESTFIT \u003c\/strong\u003eMainspring 310K for \u003c\/span\u003eBreitling 33, Durowe 430, 435, Elgin 890, Font 522, 551, 552, 55-2, 552-2, 552-2N, 552-6, 553-2\/553-2N, 55-4, Gruen\u003cspan\u003e \u003c\/span\u003e806, 807, 808, 809, 816, 817, Patek Philippe 90, Venus 240, 245\u003cspan style=\"font-size: 14px;\"\u003e caliber movements plus perhaps similar ébauche watches (PUW 561 \u0026amp; Peseux 330), 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 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":48485554880820,"sku":"PMS-BEST310KA-03","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-02-2817.04.58.jpg?v=1740791135","url":"https:\/\/www.vintagetimeparts.com\/products\/bestfit-mainspring-310k-for-as-495-enicar-90-freco-90f-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}