This watch is very similar to a Universal Geneve Aero-Compax from afar with its 4 sub-dials. The watch is simply gorgeous and its very elegant tear-drop lugs are impressively big. The watch is very clean overall and is the rarer open-back version.
 
Details:
 
Brand:  Chronoswiss 
Model: Klassic // Classic
Reference: 7403
Year: 1990's
Material: Stainless Steel
Dimensions:  37mm
Crystal:  Sapphire Crystal
Movement: Automatic Chronograph
Bracelet/Strap: Aftermarket Leather Band
Box/Papers: Yes/No