{"product_id":"bulova-factory-mainspring-for-caliber-4ar-steel","title":"Bulova Factory Mainspring for caliber 4AR - Steel","description":"\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eBulova \u003c\/strong\u003eFactory\u003cstrong\u003e \u003c\/strong\u003eMainspring for caliber 4AR plus perhaps similar ébauche watches, in envelope, steel. The wonderful thing about factory mainsprings is they always fit! 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. \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Bulova","offers":[{"title":"Default Title","offer_id":48965247566132,"sku":"PMS-BULF4ARS-12","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-12-1016.31.32.jpg?v=1765413202","url":"https:\/\/www.vintagetimeparts.com\/products\/bulova-factory-mainspring-for-caliber-4ar-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}