The Vintage Wrist Watch Company has dated this piece to the 1920s.
The high grade jewelled movement has a micro regulator and jewelled pallets and is signed Prima, Swiss made.

The watch measures 50.4 mm diameter excluding the winding crown and the loop. The case is stamped Moon trade mark, A.L.D. Dennison Watch Case Co, English make Guaranteed to be made of two plates of 10K gold with plate of composition between and to wear 20 years. The case has light surface marks from use but otherwise it is in nice condition.

The watch lens is glass and is in nice condition.
The dial is signed Prima with Swiss made at the bottom. The dial is in nice condition with only the odd minor mark.
The watch has its original gold hands.
Price includes free worldwide postage.
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