The Vintage Wrist Watch Company has dated this piece to the 1910s.
The watch has a stem winding 15 jewel movement which is working well. The movement is stamped A.W.W.Co, Waltham, Mass, 15 jewels and the serial number 18516636 which dates the watch back to 1912.
The watch measures 50.6 mm diameter excluding the stem. The gold filled case is stamped Moon trade mark, Dennison Watch Case Co.
The front cover opens as it should by pressing the winding crown in. The case is in nice condition with only light surface marks from use and minor wear to the edges.

The watch lens is in nice condition.
The dial is signed Waltham. The dial has a faint hairline crack between the bottom of the sub second dial and the bottom but otherwise it is in nice condition.
The watch has its original blued steel hands
Price includes worldwide postage.
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