This is in fact a Citizen model CA0390-14E. The watch does have an E6B-style sliderule bezel. This is not a tachymeter, but if you know how to use an E6B flight computer you can do all sorts of time / speed / distance calculations.
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This is in fact a Citizen model CA0390-14E. The watch does have an E6B-style sliderule bezel. This is not a tachymeter, but if you know how to use an E6B flight computer you can do all sorts of time / speed / distance calculations.