Comsco Mainspring #1195 for Howard 16s Factory No. 328 - Steel

Comsco Mainspring #1195 for Howard 16s movements, Factory No. 328, hole end, steel, new in envelope. See image for precise specifications. I likely have several of theses so the one you get may differ slightly from the images. I specialize in hard to find watch parts and all watch parts are unconditionally guaranteed. Images do an adequate good job of representing the item.