{"product_id":"marco-mainspring-409-for-hamilton-16s-model-960-to-973-no-317-steel","title":"Marco Mainspring #409 for Hamilton 16s Model 960 to 973, No. 317 - Steel","description":"\u003cp\u003e\u003cstrong\u003eMarco \u003c\/strong\u003eMainspring No. 409 for Hamilton 16s Model 960, 961, 964, 965, 968, 969, 970, 971, 972, 973 movements, Factory No. 317, steel, new in envelope. See images for further details. I likely have several of these so the one you get may differ slightly from the images. I specialize is 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":"C \u0026 E Marshall","offers":[{"title":"Default Title","offer_id":47452815294772,"sku":"PMA-CEM0409S-05","price":15.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/products\/3665203536.jpg?v=1705295094","url":"https:\/\/www.vintagetimeparts.com\/products\/marco-mainspring-409-for-hamilton-16s-model-960-to-973-no-317-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}