{"product_id":"samson-mainspring-no-540-for-felsa-michael-caliber-380-382-steel","title":"Samson Mainspring No. 50 for Felsa - Michel caliber 380, 382 - Steel","description":"\u003cp style=\"margin-left: 20px;\"\u003e\u003cstrong\u003eSamson \u003c\/strong\u003eNo. A50 steel mainspring for Felsa - Michel caliber 380, 382 automatic  movements and 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":48574879924532,"sku":"PMS-SAM0A50S-05","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-05-0713.30.16.jpg?v=1746650111","url":"https:\/\/www.vintagetimeparts.com\/products\/samson-mainspring-no-540-for-felsa-michael-caliber-380-382-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}