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

The watch measures 32mm diameter excluding the winding crown and the lugs. The case has some surface marks but is very acceptable for a 1950s piece.
The lens is in good condition.
The dial is signed Oris, Anti Shock, Swiss Made. It has a small mark underneath the number 12 and some other light marks which you have to look quite closely to see. The hands appear to be the originals and there is a red centre second sweep (slightly out of shape).
A new brown leather strap has been fitted.
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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