{"product_id":"borel-mainspring-2026-m-for-bulova-8an-gruen-723-certina-173-alloy","title":"BOREL Mainspring 2026-M for Bulova 8AN, Gruen 723, Certina 173 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eBOREL\u003c\/strong\u003e Mainspring 2026-M for Font caliber 1146, Bulova caliber 8AN, Gruen caliber 723 and Certina caliber 173 movements and perhaps others, 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 a pretty good job of representing the item.\u003c\/p\u003e","brand":"Borel","offers":[{"title":"Default Title","offer_id":48537485672756,"sku":"PMS-BOR2026MA-04","price":7.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-04-0611.00.30.jpg?v=1743962541","url":"https:\/\/www.vintagetimeparts.com\/products\/borel-mainspring-2026-m-for-bulova-8an-gruen-723-certina-173-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}