{"product_id":"samson-mainspring-no-a39-for-eterna-caliber-833-834-835-1076-1077-1079-steel","title":"Samson Mainspring No. A39 for Eterna caliber 833, 834, 835, 1076, 1077, 1079 - Steel","description":"\u003cp\u003e\u003cstrong\u003eSamson \u003c\/strong\u003eNo. A39 steel mainspring for \u003cstrong\u003eEterna\u003c\/strong\u003e caliber 833, 834, 835, 1076, 1077, 1079 automatic movements plus perhaps others, 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":"Samson","offers":[{"title":"Default Title","offer_id":49249987920180,"sku":"PMS-SAMA039S-08","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-08-1718.35.49.jpg?v=1787017076","url":"https:\/\/www.vintagetimeparts.com\/products\/samson-mainspring-no-a39-for-eterna-caliber-833-834-835-1076-1077-1079-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}