The Vintage Wrist Watch Company has dated this piece to the 1920s.
The movement is protected by an inner hinged cover.

The movement is signed Koh-I-Noor, a brand name registered by Louis Brandt of Omega, who of course also registered the Helvetia name in the late 1800s.
The watch measures 50mm diameter excluding the winding stem and the loop. The case is silver and there are hallmarks inside both of the case backs for Birmingham 1929 with a case maker's mark for Aaron Dennison. The Birmingham based Dennison Watch Case Company manufactured cases for various watch makers. The case is in lovely condition with just the odd minor mark.
The glass lens is in good condition.
The dial is in lovely condition with blued steel hands, a subsidiary seconds dial and an outer minute track.
The watch will be sent in a new presentation box.
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