The humble dive watch is perhaps the most popular category of watch available today, tracing its origins back to the wondrous and dangerous adventures of Jacques Cousteau and others like him. Equipped to explore the last unknown frontier on Earth, it’s no wonder that the dive watch is as inspirational and appealing as it is. That, and you can wear it in the swimming pool. The question is, if you can’t quite stretch to the quintessential dive watch, Rolex’s Submariner, which dive watch should you get?

Now Baselworld 2019 has ended—and now we’ve got the big-hitters out of the way—it’s a chance to take a look at what caught our eye at this year’s show. So here they are, the best of the rest from Baselworld 2019.

Since the whopping $17.8 million sale of Paul Newman’s Paul Newman, the world’s—or what seems like it—attention has been turned to vintage chronographs. Thing is, vintage chronographs can be pretty expensive. There are some great options out there if you’re willing to do a lot—a lot—of research, but even those can be costly. A Longines 13ZN can fetch as much as £15,000 for example. If all that sounds too much like hard work, then perhaps we have the answer for you…

In a time of calculators, computers, smart phones and the internet, the answer to any question is never more than a few taps of a screen or clicks of a button away. Remember when you had to just know who was in a movie, or what that song was? Before then, before all of that, there was a time when complex calculations were only achievable by hand or with a slide rule. It’s a skill that’s been lost over generations, but today we’re going to find out how, exactly, this mess of lines and numbers actually works.