{"product_id":"bestfit-mainspring-ja217-for-6-0s-hamilton-no-2621-718203-alloy","title":"BESTFIT Mainspring JA217 for 6\/0s Hamilton No. 2621 \/ 718203 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eBESTFIT\u003c\/strong\u003e Mainspring MS-JA217 for 6\/0s \u003cstrong\u003eHamilton\u003c\/strong\u003e, Factory No. 2621 \/ 718203, T end, 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 i\u003cspan style=\"font-size: 14px;\"\u003en hard to find watch parts so I usually have whatever you might need and all watch parts are unconditionally guaranteed. \u003c\/span\u003eImages do a pretty good job of representing the item. \u003cbr\u003e\u003c\/p\u003e","brand":"BESTFIT","offers":[{"title":"Default Title","offer_id":49167740109108,"sku":"PMA-MSJA217A-07","price":12.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-06-1915.37.25.jpg?v=1781908760","url":"https:\/\/www.vintagetimeparts.com\/products\/bestfit-mainspring-ja217-for-6-0s-hamilton-no-2621-718203-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}