{"product_id":"benrus-factory-mainspring-for-caliber-bm-automatic-alloy","title":"Benrus Factory Mainspring for caliber BM - Alloy","description":"\u003cp\u003e\u003cstrong\u003eBenrus\u003c\/strong\u003e Factory Mainspring for caliber BM movement, alloy, new in envelope. 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 and all watch parts are unconditionally guaranteed. If you need a part for a vintage watch I likely have it so feel free to inquire. Images do a pretty good job of representing the item.\u003cbr\u003e\u003c\/p\u003e","brand":"Benrus","offers":[{"title":"Default Title","offer_id":48982153330996,"sku":"PMS-BENFMBMA-12","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-12-2014.30.48.jpg?v=1766269992","url":"https:\/\/www.vintagetimeparts.com\/products\/benrus-factory-mainspring-for-caliber-bm-automatic-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}