{"product_id":"marco-mainspring-214-for-18s-waltham-factory-no-2203-steel","title":"Marco Mainspring #214 for 18s Waltham Factory No. 2203 - Steel","description":"\u003cp\u003e\u003cstrong\u003eMarco\u003c\/strong\u003e Mainspring #214 for 18s \u003cstrong\u003eWaltham\u003c\/strong\u003e Older Model 1877-1879 15j movements, Factory No. 2203, steel, new in envelope. I likely have several of these so one you get may differ slightly from the images. See image for further details. I specialize is hard to find watch parts and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item. \u003cbr\u003e\u003c\/p\u003e","brand":"C \u0026 E Marshall","offers":[{"title":"Default Title","offer_id":48879989260596,"sku":"PMA-CEM0214S-09","price":12.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-08-3117.36.58.jpg?v=1756687188","url":"https:\/\/www.vintagetimeparts.com\/products\/marco-mainspring-214-for-18s-waltham-factory-no-2203-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}