My geek meter went right past the 11 mark when I saw the Pilot Watch, which has a built in slide rule. If you didn’t know, a slide rule is a device made obsolete by the invention of the electronic ...

Slide rule bezels are arguably the most underrated watch feature. Although the technology is antiquated, like most watch features, it is unique, fun to play with and a great conversation starter. The ...

If the Otis King slide rule in [Chris Staecker’s] latest video looks a bit familiar, you might be getting up there in age, or you might remember seeing us talk about one in our collection. Actually, ...