1916 Jupiter ( Cortebert) Sterling Silver Gents Trench Watch 
 
The case is made in Sterling Silver is Hallmarked London 1916 with the Assay mark of George Stockwell. In excellent condition as is the dial. 
Inside is a Swiss Movement produced by Cortebert who launched the Jupiter brand name 3 years earlier in 1913. 
 
Cosmetically in very good condition and running well