List Of Wristwatch Manufacturers

I'm looking for a website containing a complete list of manufacturers of old wristwatch?

I have an old wristwatch the brand manufacturer is not quite readable. Some letters are recognizable, but I think if I had a list to compare them too, so it may be easier for me to find that it is the origin. Any help would be appreciated. Thank you!

Here is a site that includes photos … http://www.nawcc.org/museum/wwspecial/ww1.htm

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