Explore both your worlds, below and above the sea surface, with the innovative watch-sized dive computer, Garmin Descent Mk2. It features multiple dive modes, such as single or multiple gas, gauge, apnea, spearfishing, and closed-circuit rebreather. The Mk2 comes with ABC sensors, a 3-axis underwater compass, and surface GPS capability to mark entry and exit points. The Descent Mk2 functions as a top-tier multisport GPS smartwatch with multi-GNSS support, multiple sports apps, wrist-based heart rate monitoring, Pulse Ox sensor, advanced training features, contactless payments with Garmin PayTM, music storage, smart notifications for calls, messages, and calendar alerts, and much more.