HR Mainspring #591 for Lapanouse 13 Ligne Pin Lever Movements - Steel

HR steel mainspring #591 for Lapanpuse (Cimer) 13L calibers 22 &142 Pin Lever movements and perhaps others, new in envelope. See images for precise mainspring specifications. 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 an adequate job of representing the item.