The Vintage Wrist Watch Company has dated this piece to the 1900s.
The chain measures 28cm long including the T-bar and the clasp.
Each of the long links has the lion silver mark.

The chain comes with a silver fob, hallmarked for 1927. The front has a vacant shield. The reverse has an inscription, ‘Norwich SS, 1927-8, Primary’, together with a registered design number for a 1920 design.
Total weight 34.5g.
The Vintage Wrist Watch Company has dated this piece to the 1900s.
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