The Vintage Wrist Watch Company has dated this piece to the 1910s.
The watch has a 15-jewel stem-winding movement, calibre 18-28-3-P, which is working nicely. The movement is fully signed and the serial number 1,491,974 dates it back to 1913. The movement is protected by an inner hinged cover.

The watch measures 48mm diameter excluding the winding crown and the stem. The case is chrome plated and it is in good condition with just light surface marks. The inside of the hinged case back has the Zenith logo.

The acrylic lens has a light mark but nothing serious.
There are a couple of hairline cracks.
The watch comes with a single chain, 26cm long including the T-bar and the clasp.
The watch and chain will come in a new 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