{"product_id":"helvetic-mainspring-for-0s-waltham-factory-no-2220-steel","title":"HELVETIC Mainspring for 0s Waltham Factory No. 2220 - Steel","description":"\u003cp\u003e\u003cstrong\u003eHELVETIC \u003c\/strong\u003eMainspring for \u003cstrong\u003eWaltham\u003c\/strong\u003e 0s movements, Factory No. 2220, new in envelope. I likely have several of these so the one you get may differ slightly from the images. I specialize in hard to find watch parts and all watch parts are unconditionally guaranteed. Images do an adequate job of representing the item.\u003c\/p\u003e","brand":"STUSA","offers":[{"title":"Default Title","offer_id":48861401481524,"sku":"PMA-STUSA2220S-08","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-08-1618.00.45.jpg?v=1755392882","url":"https:\/\/www.vintagetimeparts.com\/products\/helvetic-mainspring-for-0s-waltham-factory-no-2220-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}