{"product_id":"alloy-mainspring-for-16s-elgin-factory-no-818","title":"Alloy Mainspring for 16s Elgin Factory No. 817","description":"\u003cp\u003eUnmarked Swiss Made Alloy Mainspring for 16s \u003cstrong\u003eElgin\u003c\/strong\u003e movements, Factory No. 817, DB\u0026amp;H end, new in envelope. See images for precise mainspring specifications. 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":"Unmarked","offers":[{"title":"Default Title","offer_id":48449701839156,"sku":"PMA-STA0817A-12","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-12-1310.50.29.jpg?v=1765651887","url":"https:\/\/www.vintagetimeparts.com\/products\/alloy-mainspring-for-16s-elgin-factory-no-818","provider":"Vintage Time Parts","version":"1.0","type":"link"}