Waltham Factory Mainspring for 7½ ligne Model 750B No. 2264 - Alloy

Waltham Mainspring for 7½ ligne 750B Model movements, Factory No. 2264, alloy, new in envelope. These were available in a couple of different strengths and those that I can supply can be found in the drop-down list. I specialize in hard to find watch parts so I usually have whatever you might need and all watch parts are unconditionally guaranteed. See image for further details. Images do a pretty good job of representing the item.