The Vintage Wrist Watch Company has dated this piece to the 1910s.
The chain measures 31cm long including the T-bar and the clasp.

The chain comes with a silver swivel fob, original to the chain, with the same hallmarks,
Total weight 39g.
It is lovely to see a chain where all the components are original to each other, and carry the same hallmarks.
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