{"product_id":"hamilton-16s-factory-mainspring-no-718045-for-motor-barrel-movements-steel","title":"Hamilton 16s Factory Mainspring No. 718045 for Motor Barrel movements - Steel","description":"\u003cp\u003e\u003cstrong\u003eHamilton \u003c\/strong\u003eFactory Mainspring for 16s Motor Barrel Movements, Factory No. 718045, 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 so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item.\u003c\/p\u003e","brand":"Hamilton","offers":[{"title":"Default Title","offer_id":49158588629300,"sku":"PMA-HA710845S-06","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-06-1311.43.10.jpg?v=1781376265","url":"https:\/\/www.vintagetimeparts.com\/products\/hamilton-16s-factory-mainspring-no-718045-for-motor-barrel-movements-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}