Meet the Garmin Descent G1 Smartwatch: a smart dive computer and watch with GPS/GLONASS/Galileo support that gets you unstuck in the outdoors. It is great for diving but you can also use it as a regular fitness watch. This watch comes with wrist-based heart rate monitoring, Pulse Ox, body battery energy monitoring, and sleep tracking.
The Garmin Descent G1 comes with over 30 built-in sports apps. It lasts up to 25 hours in dive mode and 21 days in smartwatch mode. You can pair this watch to your phone to keep up with notifications.