The Vintage Wrist Watch Company has dated this piece to the 1960s.
The watch has a calibre 620 hand-winding movement which is working nicely. The movement is fully signed and the serial number 21,408,594 dates it back to around 1964.
The watch measures 20mm diameter excluding the winding crown and the lugs. The case is gold plated and it is in lovely condition. The stainless steel case back is signed inside with the Omega logo. The winding crown is a later plain replacement.

The lens is in good condition.
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 1960s.
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