{"product_id":"bestfit-mainspring-ja308-for-16s-hampden-no-4697-alloy","title":"Bestfit Mainspring JA308 for 16s Hampden No. 4697 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eBestfit \u003c\/strong\u003eMainspring MS-JA308 for\u003cstrong\u003e Hampden \u003c\/strong\u003e16s Movements, Factory No. 4697, alloy, new in envelope. See image 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 and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item.\u003c\/p\u003e","brand":"Bestfit","offers":[{"title":"Default Title","offer_id":48579354624308,"sku":"PMA-MSJA308A-05","price":17.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-05-1212.27.11.jpg?v=1747078144","url":"https:\/\/www.vintagetimeparts.com\/products\/bestfit-mainspring-ja308-for-16s-hampden-no-4697-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}