{"product_id":"borel-mainspring-4017-m-for-bulova-6ak-6ba-6bc-alloy","title":"BOREL Mainspring 4017-M for Bulova 6AK, 6BA, 6BC - Alloy","description":"\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eBOREL \u003c\/strong\u003eMainspring 4017-M for \u003cstrong\u003eBulova\u003c\/strong\u003e caliber 6AK, 6BA, 6BC\u003cspan style=\"font-size: 14px;\"\u003e, \u003c\/span\u003e plus perhaps other similar ébauche watches, white alloy, new in envelope. See images for precise mainspring specifications. 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":"BOREL","offers":[{"title":"Default Title","offer_id":48656916775220,"sku":"PMS-BOR4017MA-07","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-07-0517.21.04.jpg?v=1751761490","url":"https:\/\/www.vintagetimeparts.com\/products\/borel-mainspring-4017-m-for-bulova-6ak-6ba-6bc-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}