The Vintage Wrist Watch Company has dated this piece to the 1910s.
The watch has a Swiss stem-winding movement, identified as by Omega, which is working nicely. The Omega serial number of 4,593,152 dates it back to around 1914. The movement is protected by an inner hinged cover.
The case is silver and there are hallmarks inside both of the case backs for London (import mark), 1914 together with the SA mark for Selling Agency, watch importers, and also the early Omega mark.

The case has a small “ding” to the bezel and some unevenness to the back.
The glass lens has a few tiny nibbles around the edge.
The dial is in lovely condition with original rose gold hands.
The watch comes in a new presentation box.
The Vintage Wrist Watch Company has dated this piece to the 1910s.
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