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Zenith

not much info to be had

 

According to Roessler, introduced in 1958 with a cal 120, intended to be used by the military. No military ever adopted it to my knowledge. Automatic model came out in 1960 with noticeable convexity to the dial to accomodate the additional thickness. If you bought from the person on the forum who posted it before, I know of no others with that font. Produced with both white and black dial. No idea regarding total numbers produced, etc. 


a shot of my example



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