{"product_id":"hr-nivastar-mainspring-g923-for-lecoultre-caliber-5l-460b-90l-90ln-alloy","title":"HR Nivastar Mainspring G923 for LeCoultre caliber 5L, 460B, 90L, 90LN - Alloy","description":"\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eHR\u003c\/strong\u003e \u003cem\u003eNivastar\u003c\/em\u003e Mainspring G923 for LeCoultre 5L, 460B, 90L, 90LN caliber movements plus perhaps similar ébauche watches, white alloy, D.B. end, 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\/span\u003e\u003c\/p\u003e","brand":"HR","offers":[{"title":"Default Title","offer_id":49339722039604,"sku":"PMS-HRNSG923A-10","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-10-1915.43.39.jpg?v=1792449933","url":"https:\/\/www.vintagetimeparts.com\/products\/hr-nivastar-mainspring-g923-for-lecoultre-caliber-5l-460b-90l-90ln-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}