1950's Hertig ( Certina ) Gents Dress Watch 
 
This was is a Certina but marketed under the brand name Hertig for the Portuguese market, a retailer of Certina Watches by the name of Charles Hertig  at some point started selling rebranded Certina watches under his own name in Portugal. 
 
The case is chrome plated with a steel back and is in very good condition, the dial is also in good condition.
Inside the case is a 15 Jewel KF Swiss Lever Movement 
 
Cosmetically overall this is in very good condition and running well