{"product_id":"gunther-mainspring-for-waltham-18s-no-2204-steel","title":"Gunther Mainspring for Waltham 18s No. 2204 - Steel","description":"\u003cp\u003e\u003cstrong\u003eGunther\u003c\/strong\u003e \u003cem\u003eEfficiency Unit\u003c\/em\u003e Mainspring for \u003cstrong\u003eWaltham\u003c\/strong\u003e\u003cstrong\u003e \u003c\/strong\u003e18s, Factory No. 2204, steel, new in frail envelope. See image for precise specifications. 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 a suitable job of representing the item.\u003c\/p\u003e","brand":"Gunther","offers":[{"title":"Default Title","offer_id":47452751888692,"sku":"PMA-GUN2204S-10","price":12.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-10-0210.11.04.jpg?v=1759425153","url":"https:\/\/www.vintagetimeparts.com\/products\/gunther-mainspring-for-waltham-18s-no-2204-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}