Tru-Time Mainspring For Hamilton 16s Factory No. 534B - Steel

Tru-Time Mainspring for Hamilton 16s Factory No. 534B, steel, new in envelope. See images for precise mainspring specifications and further details. Most of these are covered is a very stinky and sticky grease and need to be thoroughly cleaned before use. I likely have several of these so the one you get may differ slightly from the images. I specialize is hard to find watch parts so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item.