HR Nivastar Mainspring G922 for LeCoultre caliber 449, 450 - Alloy

HR Nivastar Mainspring G922 for LeCoultre caliber 449, 450 movements, double brace (DB) end, alloy, new in envelope. See images for precise mainspring specifications. I specialize is 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.