The Vintage Wrist Watch Company has dated this piece to the 1910s.
The watch measures 30mm diameter excluding the winding crown and the fixed wire lugs. The case is silver and there are hallmarks inside the front and back covers for London 1914 with a sponsor’s mark for Sylvain Dreyfuss of Moise, George & Sylvain Dreyfuss.

Overall, the case is in good condition for such an early piece, just some gentle unevenness to the back of the watch, and general light surface marks. The winding crown is a later replacement.
The front cover has dark blue enamel filled numbers surrounding a central lens. There is a small button between the bottom lugs which is pressed to open this front cover.

Inside, there is a glass lens which is in good condition.
The dial is in good condition with blued steel hands, a subsidiary seconds dial and an outer minute track.
A new leather strap has been fitted.
The watch comes in an antique presentation box.
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