How to use a diving bezel.

Now that you’ve finally got your hands on the Mako USA, it’s been properly fitted to your wrist… so what’s next? Besides telling the time, day, and date, it has one more function that you might have missed: The rotating diving bezel. But what is it for, and how do you use it?

Appearing on divers since the early 1950s, they’re categorized by being scaled from 0-60, with the beginning-and-end marker typically denoted by a shape and lumed circle (referred to as the “pip”). The diving bezel might be the most common moving bezel seen on watches, and appear on not just dive watches, but sport watches as well. Diving bezels were originally used by divers to determine how much time they could spend under water, which was crucial to tracking their air supply since they had a finite amount of gas in their tanks. The Mako USA‘s bezelsare unidirectional in order to keep firmly in place. This preserved accuracy and protected it from being altered in the case that it was bumped. Although the diving bezel has been made obsolete with the advent of the dive computer, they still have a practical use, outside of being a part of the aesthetic.

A diving bezel is a nifty feature that is simple to utilize. From timing your mile-long runs to timing the cookies in the oven, all you have to do is:

1. Align the beginning (or the zero) marker to the minute hand (see below).
2. After time elapses, you should be able to tell from the position of the minute hand in relation to the numbers on the bezel how much time has gone by.

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