BESTFIT Mainspring JA354 for 12s E. Howard Pocket Watches No. 552 - Alloy

BESTFIT Mainspring MS-JA354 for 12s E. Howard Pocket Watch movements, Factory No. 552, Alloy, new in envelope. See images for precise mainspring specifications. I may have several of these so the one you get may differ slightly from the images. I specialize is hard to find watch parts and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item.