The Vintage Wrist Watch Company has dated this piece to the 1940s.
The watch has a bumper automatic movement which is working nicely.
Later automatic watches have the fully rotational rotor. The movement has the serial number 3329609 dates it back to 1948.

The watch measures 32mm diameter excluding the winding crown and the lugs. The case is stainless steel and it is in good condition. The screw-on case back is signed Eterna, it states that the watch is waterproof but, as with any vintage watch, it should be kept away from water and moisture.
The lens is in lovely condition.
The signed dial is in its original finish although quite worn and faded now.
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