The Vintage Wrist Watch Company has dated this piece to the 1920s.
The T-bar is hallmarked for Birmingham 1924 with a maker’s mark for Herbert Bushell & Son.
The chain, clasps and T bar all have the stamp for Herbert Bushell & Son.

The chain comes with a silver fob, hallmarked for 1933 with the makers mark for Robert Pringle & Sons. The fob has light surface marking but is free from any personal inscriptions.
The chain also comes with a silver vesta case with Birmingham hallmarks for 1903. The vesta has a hint of unevenness although very acceptable.
Total weight 60.6 grams in total
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