The Vintage Wrist Watch Company has dated this piece to the 1930s.
The watch has a nicely jewelled stem winding movement which is working nicely. The movement has been identified as a Cyma calibre 999.
The watch measures 50.2mm diameter excluding the winding stem and the loop. The case is 10ct gold filled and is the Moon model made by the Dennison Watch Case Company. Dennisons was a Birmingham based watch factory and they supplied various watch makers with cases.

The acrylic lens is in nice condition.
The dial has a very faint hairline crack at 4 o'clock but otherwise it is nice 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