The Vintage Wrist Watch Company has dated this piece to the 1920s.
It is working nicely. The movement is fully signed and the serial number 3,787,022 dates it back to 1920.

The watch measures 42.5mm wide and 42.5mm high excluding the winding stem and loop. The case is a good quality 14k gold filled case manufactured by the Star Watch Case Company, based in Ludington, Michigan, and they manufactured from 1905 to 1982. The case back has a small indentation and there are some surface marks but overall the condition is very acceptable for a 1920 piece.

The lens is in good condition.
The two tone dial is beautifully detailed and is in good condition. The hour hand could possibly be a replacement as the finish is a slightly different shade.
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