That changed around 1975. The Time Computer Calculator company produced an amazing calculator watch for Pulsar. At the time, Pulsar was a brand of the Hamilton Watch Company. A Pulsar calculator ...

The use of red for the mode indicator at the upper right evokes the image of the calculator's power light. Every detail, down to the white lines along the top and bottom of the watch face ...

While we're talking about cult classic watches, 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 ...