Hampden Balance Staff for 12s 3/4 plate & bridge models Factory No. 6720

ONE Hampden Balance Staff for 12s 3/4 plate & Bridge Model, Factory No. 6720, Pivot 09, new in envelope. See images for further details. 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.