Need help identifying my zodiac

[inoj]

Hello everyone, I recently inherited a zodiac watch but am not sure what model it is. I've seen Zodiacs on ebay that look much like mine labeled Sea Dragon, but I want to make sure so I don't mislead any potential customers. Any help would be much appreciated, tia.  As far as I know my dad got it when he was in the military in the early '70s.

[Butch]

That is a mid-1970's 2 register chronograph.