{"product_id":"hampden-12s-mainspring-no-6696-made-by-waltham-steel","title":"Hampden 12s Mainspring No. 6696 Made by Waltham - Steel","description":"\u003cp\u003e\u003cstrong\u003eHampden \u003c\/strong\u003e12s\u003cstrong\u003e \u003c\/strong\u003eMainspring Factory No. 6696 made by Waltham, steel, new in envelope. See images for further details. Waltham didn't mark them except for \"Unit Resilient Main Spring.\" I specialize in hard to find watch parts and all watch parts are unconditionally guaranteed. Images do an adequate job of representing the item.\u003c\/p\u003e","brand":"Waltham","offers":[{"title":"Default Title","offer_id":48909332316468,"sku":"PMA-DHW6696S-10","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-09-3017.22.56.jpg?v=1759278295","url":"https:\/\/www.vintagetimeparts.com\/products\/hampden-12s-mainspring-no-6696-made-by-waltham-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}