The Vintage Wrist Watch Company has dated this piece to the 1950s.
The watch has a 17-jewel hand-winding movement, 12.68ZS, which is working nicely.

The watch measures 33.5mm diameter excluding the winding crown and the lugs. The case is 9 carat gold and there are hallmarks inside the case back for Birmingham 1959 together with the name Baume, the UK importers of Longines wrist watches. The front of the case is in good condition. The case back has some unevenness.
The lens is in good condition.
The signed dial has fairly light marking across it.
A new leather strap has been fitted.
The watch will be sent in a vintage presentation box.
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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