The Vintage Wrist Watch Company has dated this piece to the 1920s.
The watch has a Swiss 15-jewel stem-winding movement which is working nicely.
The watch measures 45mm diameter excluding the winding stem and the loop.
The case back has the initials RBJ.

The acrylic lens is in good condition.
The dial is signed Ralco, a brand name registered by Compagnie Generale d'Exportation Ralco of La Chaux-de-Fonds in May 1920. The dial is in lovely condition and has its original Breguet style hands, a subsidiary seconds dial and an outer minute track.
The watch comes with a single chain, 32cm long including the clasps.
The watch and chain will come 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