{"product_id":"flex-alloy-mainspring-for-16s-hamilton-992b-950b-no-35434-534b-alloy","title":"Flex-Alloy Mainspring for 16s Hamilton 992B - 950B No. 534B \/ 718050 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eFlex-Alloy\u003c\/strong\u003e Mainspring for 16s Hamilton Motor Barrel Movements, Factory No. 534B \/ 718050, 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 an adequate job of representing the item.\u003c\/p\u003e","brand":"Flex-Alloy","offers":[{"title":"Default Title","offer_id":47451837006132,"sku":"PMA-FLEX534BA-02","price":22.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-09-0715.07.09.jpg?v=1757282949","url":"https:\/\/www.vintagetimeparts.com\/products\/flex-alloy-mainspring-for-16s-hamilton-992b-950b-no-35434-534b-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}