The Vintage Wrist Watch Company has dated this piece to the 1920s.
The jewelled movement is stamped 15 jewels, Swiss made.

The watch measures 25.7 mm wide excluding the winding crown and 38.1 mm high including the lugs. The silver case has Edinburgh import marks for 1924. The case has light surface marks from use and otherwise it is in nice condition. The case back has some unevenness.

The watch lens is glass and is in nice condition.
The dial has some surface marking although it has a nicely aged look.
The watch has blued steel hands (the minute hand is later although still antique).
The watch has a later black leather strap.
The Vintage Wrist Watch Company has dated this piece to the 1920s.
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