{"product_id":"hr-everlast-mainspring-e550-for-eta-790-enicar-792-langendorf-804-806-steel","title":"HR Everlast Mainspring E550 for ETA 790, Enicar 792, Langendorf 804, 806 - Steel","description":"\u003cp\u003e\u003cstrong\u003eHR \u003c\/strong\u003e\u003cem\u003eEverlast \u003c\/em\u003eMainspring E550 for ETA 790, Langendorf 804 \u0026amp; 806, Enicar 792 \u0026amp; Benrus BP caliber movements, steel, 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 marginally adequate job of representing the item.\u003c\/p\u003e","brand":"HR","offers":[{"title":"Default Title","offer_id":49063029342516,"sku":"PMS-HRELE550S-03","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-03-1412.10.17.jpg?v=1773515661","url":"https:\/\/www.vintagetimeparts.com\/products\/hr-everlast-mainspring-e550-for-eta-790-enicar-792-langendorf-804-806-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}