The Vintage Wrist Watch Company has dated this piece to the 1950s.
The movement is signed Cyma.

The watch measures 33.5mm diameter excluding the winding crown and the lugs. The case is plated and there are a few marks to the front, and more significant wear to the back of the watch. The case back is stainless steel.

The lens is in good condition.
The dial has the applied C logo and is also signed Cyma Cymaflex, Swiss Made. There are some small marks to the dial but overall it is very acceptable for a 1950s piece.
A new black leather strap has been fitted.
The Vintage Wrist Watch Company has dated this piece to the 1950s.
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