{"product_id":"bestfit-mainspring-ja352-for-16s-e-howard-pocket-watches-no-328-alloy","title":"BESTFIT Mainspring JA352 for 16s E. Howard Pocket Watches No. 328 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eBESTFIT \u003c\/strong\u003eMainspring MS-JA352 for 16s \u003cstrong\u003eE. Howard\u003c\/strong\u003e Pocket Watch movements, Factory No. 328, HOLE end, alloy, new in envelope. See images for precise mainspring specifications. I may have several of these so the one you get may differ slightly from the images. I specialize is 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":48955868348724,"sku":"PMA-MSJA352A-11","price":12.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-11-3009.49.58.jpg?v=1764525147","url":"https:\/\/www.vintagetimeparts.com\/products\/bestfit-mainspring-ja352-for-16s-e-howard-pocket-watches-no-328-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}