{"product_id":"nivaflex-unbreakable-mainspring-n3270-for-berger-2-chezard-60-60-1-essor-214-gruen-313-alloy","title":"Nivaflex Unbreakable Mainspring N3270 for Berger 2, Chezard 60, 60\/1, Essor 214 Gruen 313 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eNivaflex\u003c\/strong\u003e Unbreakable Mainspring N 3270 for Berger 2, Chezard 60, 60\/1, Essor 214 Gruen 313 caliber movements plus perhaps other similar \u003cspan class=\"st\"\u003eébauche\u003c\/span\u003e movements as well, 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":"Nivaflex","offers":[{"title":"Default Title","offer_id":48610812625204,"sku":"PMS-NIVAN3270A-06","price":7.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-06-0318.17.26.jpg?v=1749000178","url":"https:\/\/www.vintagetimeparts.com\/products\/nivaflex-unbreakable-mainspring-n3270-for-berger-2-chezard-60-60-1-essor-214-gruen-313-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}