Meet the Fenix 3 HR from Garmin: a multisport watch to track your fitness activity. It has a rugged design, an omni-directional stainless steel EXO, and wrist heart rate technology. You get outdoor navigation features such as 3-axis compass, altimeter and barometer.
The fēnix 3 HR watch can measure your oxygen levels and recovery to help you figure out how much progress you are making. It offers smart notifications as well. More information is available here.