When considering our favorite spy movies and kin that involve deep-sea ... all you really need is one of these Casio watches.

However, another similarly shaped, extremely 80s-forward watch from Casio is even more of a steal: Casio A700WM-7AVT. Part of ...

the Casio Calculator watch deserves a mention. Perhaps best known from its appearance on the wrist of Marty McFly in the hit film, Back to the Future, this watch is beloved by those in the know.