{"product_id":"nupower-mainspring-for-landeron-caliber-48-51-54-55-chronograph-alloy","title":"NuPower Mainspring for Landeron caliber 48, 51, 54, 55 Chronograph - Alloy","description":"\u003cp\u003e\u003cstrong\u003eNuPower\u003c\/strong\u003e Mainspring for \u003cstrong\u003eLanderon\u003c\/strong\u003e caliber 48, 51, 54, 55 Chronograph movements and quite likely others as well, white alloy, new in envelope. See images for further data and precise mainspring specifications. 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":"NuPower","offers":[{"title":"Default Title","offer_id":49165621231924,"sku":"PMS-NUPLAND48A-06","price":17.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-06-1716.40.22.jpg?v=1781739821","url":"https:\/\/www.vintagetimeparts.com\/products\/nupower-mainspring-for-landeron-caliber-48-51-54-55-chronograph-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}