Zenith Defy Gauss models are meant for a high antimagnetic resistance. The watch is one of the very few that are still in existence and is listed at a very low price becasuse of some dial defects. The watch is overall very presentable and works well, crown is not original.
 
Make: Zenith
Model: Defy Gauss
Reference: ---
Year: 1970's
Material: Stainless Steel
Dimensions: 38mm
Crystal: Plexi Crystal
Movement: Automatic
Bracelet/Strap: Aftermarket
Lug Width: --mm
Box/Papers: No/No