The Vintage Wrist Watch Company has dated this piece to the 1920s.
Each of the plain links has the lion silver mark.

The chain measures 29cm long including the T-bar and the clasp.
The chain comes with a fob hallmarked for Birmingham 1906, with a makers mark for Robert Pringle. The front of the fob is engraved. The reverse is blank except for the hallmarks.
Total weight 43g
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