The Vintage Wrist Watch Company has dated this piece to the 1920s.
The watch itself measures 50mm diameter excluding the winding stem and the loop. The case is gold filled and was made by the Illinois Watch Case Company. The case is in good condition with just light surface marks from use.

The lens is in good condition too.
The white enamel dial has Breguet style blued steel hands, a subsidiary seconds dial and an outer minute track.
The watch will be sent in a new presentation box.
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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