{"product_id":"howard-16s-mainspring-no-328-exact-alloy","title":"Howard 16s Mainspring No. 328 (EXACT) - Alloy","description":"\u003cp\u003e\u003cstrong\u003eHoward \u003c\/strong\u003eEXACT Mainspring for 16s movements, Factory No. 328, Hole End, alloy, new in envelope. See images for precise mainspring specifications. 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. \u003cbr\u003e\u003c\/p\u003e","brand":"EXACT","offers":[{"title":"Default Title","offer_id":48940920209716,"sku":"PMA-EXA0328A-11","price":12.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-11-0717.05.01.jpg?v=1762564118","url":"https:\/\/www.vintagetimeparts.com\/products\/howard-16s-mainspring-no-328-exact-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}