Garmin Descent Mk3i 51mm GPS Dive Computer Smartwatch

Explore beneath the surface with the Garmin Descent Mk3i, a premium wrist-style dive computer and multisport smartwatch engineered for divers who want advanced underwater functionality alongside everyday performance tracking.

Featuring a bright 1.4-inch AMOLED touchscreen, a sapphire crystal lens and a dive-rated case designed for depths of up to 200 metres, the Descent Mk3i combines rugged construction with sophisticated dive technology. Its advanced dive modes support a range of diving styles, including recreational scuba diving, multiple-gas diving, freediving and closed-circuit rebreather diving. 

• 1.4-inch AMOLED touchscreen with a sharp 454 × 454-pixel resolution.

• 200-metre dive rating with leakproof inductive buttons.

• SubWave™ sonar networking for compatible diver messaging and monitoring.

• Air integration when paired with compatible Garmin Descent T2 transceivers, sold separately.

• Built-in LED flashlight with variable light intensities and strobe modes.

• DiveView™ maps featuring underwater depth contours and dive-site information.

• Multiple dive modes for single-gas, multi-gas, nitrox, trimix, gauge, apnea and rebreather diving.

• Multi-band GPS and satellite navigation for outdoor activities.

• Advanced training, recovery, sleep and health tracking.

• Up to 25 days of battery life in smartwatch mode.

• Up to 66 hours in dive mode on the 51mm version under Garmin's stated conditions.

• Premium sapphire crystal lens and titanium bezel on applicable versions.