{"product_id":"marco-mainspring-530-for-12s-illinois-factory-no-47344-steel","title":"Marco Mainspring #530 for 12s Illinois Factory No. 47344 - Steel","description":"\u003cp\u003e\u003cb\u003eMarco \u003c\/b\u003eMainspring #530 for 12s \u003cstrong\u003eIllinois\u003c\/strong\u003e, Factory No. 47344 (Old # 236), steel, new in envelope. See images for precise mainspring specifications. I likely have several of these so the one you get may differ slightly from the images. I specialize is hard to find watch parts and all watch parts are unconditionally guaranteed. Images do an adequate job of representing the item.\u003cbr\u003e\u003c\/p\u003e","brand":"C \u0026 E Marshall","offers":[{"title":"Default Title","offer_id":48523948982580,"sku":"PMA-CEM0530S-09","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-03-2914.04.35.jpg?v=1743282420","url":"https:\/\/www.vintagetimeparts.com\/products\/marco-mainspring-530-for-12s-illinois-factory-no-47344-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}