![HAMILTON KHAKI NAVY SCUBA AUTO 40mm H82305131 Black](https://askme.watch/sites/default/files/styles/watch_full_content/public/watch/images/h82305131.png?itok=HeHGC9ij)
![HAMILTON KHAKI NAVY SCUBA AUTO 40mm H82305131 Black](https://askme.watch/sites/default/files/styles/watch_full_content/public/watch/images/h82305131.png?itok=HeHGC9ij)
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Divers offer a better waterproofness than traditional watches. They are equipped with a graduated rotative bezel in order to calculate diving time and they also feature a better luminescence.
A day date watch displays the days of the week (from monday to sunday) and the date (between 1 and 31).
The central second is the central hand of the dial which divides the minute into 60 units.
The date is a small window on the dial which indicates the day of the month (between 1 and 31).