A diver’s watch, the Garmin Descent MK1 smartwatch has a built-in TOPO map and a high-sensitive GPS/GLONASS receiver for surface navigation. It has multiple dive operating modes, thus providing a wide range of selections. The device has different dive parameters including the usual heart rate technology that can be used without a chest strap. Multiple preloaded sport activity profiles are available as part of its offerings. And to top it all, this smartwatch has long-lasting battery life.
Pros
In-built TOPO maps
Integrated compass
Auto dive log
Replaceable straps
Heart rate monitoring
Long-lasting battery life
Cons
Non air integration
GPS doesn’t work underwater