{"product_id":"sandsteel-mainspring-for-hampden-16s-factory-no-5697-steel","title":"Sandsteel Mainspring for Hampden 16s Factory No. 5697 - Steel","description":"\u003cp\u003e\u003cstrong\u003eSandsteel \u003c\/strong\u003eMainspring for \u003cstrong\u003eHampden\u003c\/strong\u003e\u003cstrong\u003e \u003c\/strong\u003e16s Movements, Factory No. 5697, steel, 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 in 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":"Sandsteel","offers":[{"title":"Default Title","offer_id":49168109240628,"sku":"PMA-SAND5697S-07","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-06-2011.33.56.jpg?v=1781980924","url":"https:\/\/www.vintagetimeparts.com\/products\/sandsteel-mainspring-for-hampden-16s-factory-no-5697-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}