{"product_id":"star-mainspring-for-16s-columbus-no-249-steel","title":"Star Mainspring for 16s Columbus No. 249 - Steel","description":"\u003cp\u003e\u003cstrong\u003eSTAR\u003c\/strong\u003e Mainspring for 16s \u003cstrong\u003eColumbus\u003c\/strong\u003e early model Pocket Watches, Factory No. 249, steel. Mainspring could be suitable for other 16s watches as well, including NYS \/ Crown No. 1321. See images for precise mainspring specifications.  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":"STAR","offers":[{"title":"Default Title","offer_id":48488100593972,"sku":"PMA-STA0249S-03","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-03-0220.45.34.jpg?v=1740977195","url":"https:\/\/www.vintagetimeparts.com\/products\/star-mainspring-for-16s-columbus-no-249-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}