Diving watches can be analog or digital. Analog diving watches will often feature a rotating bezel, which allows for an easier reading of elapsed time from a specific point. This is used to compute the length of a dive. The bezel can be turned so the wearer can align the zero on the bezel with the watch's seconds or minute hand. After a period of time passes, you can read the elapsed time off the bezel. This saves you having to perform the subtraction that would be necessary if you used the watch's regular dial. It's also much easier to read this larger dial while underwater. Many of the companies in the world offers highly functional diving watches for optimum level of performance during your underwater adventure.
Digital dive watches usually performs this by use of a standard stop-watch function. Digital dive watches may also feature depth gauge, logging features and much more other functionalities which are useful for the divers. Many contemporary sports watches owe their design to diving watches.
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