{"product_id":"cas-ker-mainspring-ja705-for-18s-waltham-factory-no-2205-alloy","title":"Cas-Ker Mainspring JA705 for 18s Waltham Factory No. 2205 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eCas-Ker\u003c\/strong\u003e Mainspring MS-JA705 for 18s \u003cstrong\u003eWaltham\u003c\/strong\u003e, Factory No. 2205, probably made by Bestfit, new in sealed package. See images for further details. 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.\u003cbr\u003e\u003c\/p\u003e","brand":"BESTFIT","offers":[{"title":"Default Title","offer_id":48883371934004,"sku":"PMA-MSJA705A-08","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-09-0510.09.12.jpg?v=1757092310","url":"https:\/\/www.vintagetimeparts.com\/products\/cas-ker-mainspring-ja705-for-18s-waltham-factory-no-2205-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}