{"product_id":"usr-mainspring-for-n-y-standard-16s-no-3196-steel","title":"USR Mainspring for N.Y. Standard 16s No. 3196 - Steel","description":"\u003cp\u003e\u003cstrong\u003eUSR\u003c\/strong\u003e Mainspring for \u003cstrong\u003eN.Y. Standard\u003c\/strong\u003e 16s movements, Factory No. 3196, T end, steel, new in envelope. These came as both HOLE end and T end so make sure you're getting the one that's correct for your movement. 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 suitable job of representing the item\u003c\/p\u003e","brand":"USR","offers":[{"title":"Default Title","offer_id":48872168620340,"sku":"PMA-USR3196S-08","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-08-2411.08.12.jpg?v=1756059086","url":"https:\/\/www.vintagetimeparts.com\/products\/usr-mainspring-for-n-y-standard-16s-no-3196-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}