The Vintage Wrist Watch Company has dated this piece to the 1940s.
There are empty retaining screw holes in the movement which you can see in the photo, these are designed to be empty as the movement is held in place by the retaining ring.

The watch measures 31mm diameter excluding the winding crown and the lugs. The case is stainless steel and there is light surface marking but overall very acceptable. The winding crown is a later replacement.
The lens is in good condition.
The signed dial has a subtle two tone finish.
A new leather strap has been fitted.
The watch comes in a new presentation box.
The Vintage Wrist Watch Company has dated this piece to the 1940s.
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