{"product_id":"marco-mainspring-261-for-0s-3-0s-waltham-factory-no-2228-steel","title":"Marco Mainspring #261 for 0s \u0026 3\/0s Waltham Factory No. 2228 - Steel","description":"\u003cp\u003e\u003cstrong\u003eMarco \u003c\/strong\u003eMainspring #261 for \u003cstrong\u003eWaltham \u003c\/strong\u003e0s \u0026amp; 3\/0s Model 1900 movements, Factory No. 2228, steel, new in envelope. See images for further details. 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 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":"C \u0026 E Marshall","offers":[{"title":"Default Title","offer_id":49075672088884,"sku":"PMA-CEM0261S-04","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-04-0120.05.41.jpg?v=1775099247","url":"https:\/\/www.vintagetimeparts.com\/products\/marco-mainspring-261-for-0s-3-0s-waltham-factory-no-2228-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}