{"product_id":"marco-marshalloy-mainspring-2750m-for-wittnauer-caliber-11ar-11ark-alloy","title":"Marco Marshalloy Mainspring 2750M for Wittnauer Caliber 11AR \u0026 11ARK - Alloy","description":"\u003cp\u003e\u003cstrong\u003eMarco \u003c\/strong\u003e\u003cem\u003eMarshalloy\u003c\/em\u003e\u003cstrong\u003e \u003c\/strong\u003eMainspring 2750M for \u003cstrong\u003eWittnauer \u003c\/strong\u003eAutomatic caliber 11AR \u0026amp; 11ARK as well as AS caliber 1361 - 1402, and others as well, 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 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\/p\u003e","brand":"C \u0026 E Marshall","offers":[{"title":"Default Title","offer_id":48908390564148,"sku":"PMS-CEM2750MA-10","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-09-2917.32.13.jpg?v=1759192433","url":"https:\/\/www.vintagetimeparts.com\/products\/marco-marshalloy-mainspring-2750m-for-wittnauer-caliber-11ar-11ark-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}