{"product_id":"bestfit-mainspring-28p-for-font-caliber-66-alloy","title":"BESTFIT Mainspring 28P for Font caliber 66 - Alloy","description":"\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eBESTFIT \u003c\/strong\u003eMainspring 28P for \u003cstrong\u003eFont\u003c\/strong\u003e caliber 66 plus perhaps similar ébauche watches, white alloy, new in envelope. See images for precise mainspring specifications. I likely have several of these so the envelope may differ lightly 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 an adequate job of representing the item. \u003c\/span\u003e\u003c\/p\u003e","brand":"BESTFIT","offers":[{"title":"Default Title","offer_id":49109110653236,"sku":"PMS-BEST28PA-05","price":12.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-04-2817.48.17.jpg?v=1777423925","url":"https:\/\/www.vintagetimeparts.com\/products\/bestfit-mainspring-28p-for-font-caliber-66-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}