The Vintage Wrist Watch Company has dated this piece to the 1930s.
The watch has a good quality Swiss 15 jewel (three adjustments) movement which is working nicely. The movement has been identified as a Cyma 999.
The watch measures 51mm diameter excluding the winding stem and the loop.

The watch glass has minor marking but is very acceptable.
The dial is in lovely condition with original blued steel hands, a subsidiary seconds dial and an outer minute track.
The watch comes in a new presentation box.
The Vintage Wrist Watch Company has dated this piece to the 1930s.
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