{"product_id":"cr-mainspring-602-for-howard-16s-factory-no-328-steel","title":"CR Mainspring #602 for Howard 16s Factory No. 328 - Steel","description":"\u003cp\u003e\u003cstrong\u003eCharles Robert \u003c\/strong\u003eMainspring #602 for \u003cstrong\u003eHoward \u003c\/strong\u003e16s movements, Factory No. 328, 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 and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item.\u003c\/p\u003e","brand":"Charles Robert","offers":[{"title":"Default Title","offer_id":48871950418228,"sku":"PMA-CRMS0328S-08","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-08-2317.29.14.jpg?v=1755995509","url":"https:\/\/www.vintagetimeparts.com\/products\/cr-mainspring-602-for-howard-16s-factory-no-328-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}