HR Mainspring A759 - Waltham 16s Timer No. 2246 - Steel

HR Mainspring A759 for Waltham 16s Timer movements, Factory No. 2246, steel, new in envelope. See images for precise mainspring specifications. I likely have several of these so the one you get may differ slightly from the images. I specialize in hard to find watch parts so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do an adequate job of representing the item.