The Vintage Wrist Watch Company has dated this piece to the 1920s.
The movement is signed Cyma. The movement is protected by an inner hinged dust cover.

The watch measures 49mm diameter excluding the winding stem and the loop. The case is in good condition for its age with a minor shallow indentation to the case back, and light general surface marks.

The watch glass has the odd minor mark but is very acceptable.
The enamel dial looks good to the naked eye; there is a very faint hairline crack but it is not very noticeable to the naked eye.
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The Vintage Wrist Watch Company has dated this piece to the 1920s.
Specialists in antique and vintage wrist watches and pocket watches
You can view the stock and full dealer information on the The Vintage Wrist Watch Company Profile Page