{"product_id":"marco-marshalloy-mainspring-3350m-for-landeron-chronograph-caliber-48-50-148-151-alloy","title":"Marco Marshalloy Mainspring 3350M for Landeron Chronograph caliber 48, 50, 148, 151 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eMarco \u003c\/strong\u003e\u003cem\u003eMarshalloy\u003c\/em\u003e\u003cstrong\u003e \u003c\/strong\u003eMainspring No 3350M for \u003cstrong\u003eLanderon\u003c\/strong\u003e Chronograph calibers 48, 50, 148, 151 plus perhaps other calibers as well, white alloy, 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 in 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":49163865162036,"sku":"PMS-CEM3350MA-06","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-06-1520.40.34.jpg?v=1781581253","url":"https:\/\/www.vintagetimeparts.com\/products\/marco-marshalloy-mainspring-3350m-for-landeron-chronograph-caliber-48-50-148-151-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}