{"product_id":"marco-mainspring-3225-for-pierce-608-mst-366-kurth-13-10-steel","title":"Marco Mainspring 3225 for Pierce 608, MST 366, Kurth 13-10 - Steel","description":"\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003eMarco \u003c\/strong\u003eMainspring 3225\u003cem\u003e \u003c\/em\u003efor Pierce 608, MST 366, 389, Kurth 13-10 caliber movements plus perhaps other similar ébauche watches, steel, new in envelope. See images for precise mainspring specifications. \u003cspan style=\"font-size: 14px;\"\u003eI likely have several of these so the one you get may vary slightly from the images.\u003c\/span\u003e I specialize is hard to find watch parts so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item. \u003c\/span\u003e\u003c\/p\u003e","brand":"C \u0026 E Marshall","offers":[{"title":"Default Title","offer_id":48906154017076,"sku":"PMS-CEM3225S-09","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-09-2510.27.41.jpg?v=1758821442","url":"https:\/\/www.vintagetimeparts.com\/products\/marco-mainspring-3225-for-pierce-608-mst-366-kurth-13-10-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}