RN Mainspring for Waltham 6/0s "C" No. 2248 - Steel

RN Mainspring for Waltham 6/0s "C" and '42 movements, Factory No. 2248, steel, new in envelope. See image for precise mainspring specifications. 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.