{"product_id":"samson-mainspring-no-1050-for-as-501-543-628-673-678-722-steel","title":"Samson Mainspring No. 1050 for AS 501, 543, 628, 673, 678, 722, Helbros 15 - Steel","description":"\u003cp\u003e\u003cstrong\u003eSamson \u003c\/strong\u003eNo. 1050 steel mainspring for A.S. 501, 543, 628, 673, 678, 722, Helbros 15 caiber movements and others as well, 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 an adequate job of representing the item.\u003c\/p\u003e","brand":"Samson","offers":[{"title":"Default Title","offer_id":48409381896500,"sku":"PMS-SAM1050S-12","price":5.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-01-0414.35.43.jpg?v=1736030209","url":"https:\/\/www.vintagetimeparts.com\/products\/samson-mainspring-no-1050-for-as-501-543-628-673-678-722-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}