Garmin Descent™ Mk3i – 51 mm Carbon Gray DLC Titanium with Black Silicone Band

The Garmin Descent™ Mk3i 51 mm is a premium dive computer and smartwatch designed for scuba divers, freedivers, and technical divers who demand precision, reliability, and performance. Built with a carbon gray DLC titanium bezel, sapphire lens, and 200-meter dive rating, this rugged GPS dive watch offers advanced dive tracking, air integration, health insights, and smart lifestyle features — making it the ultimate tool both underwater and on land.

Advanced Dive Technology

Air Integration

Pair the Descent™ Mk3i with Garmin Descent™ T2 transceivers (sold separately) for integrated tank pressure monitoring on up to 8 tanks using the SubWave™ sonar data network.

SubWave™ Sonar Networking

Communicate underwater with preset diver-to-diver messages up to 30 meters, while also monitoring tank pressure and depth for up to 8 divers within a 10-meter range.

Multiple Dive Modes

Supports a full range of diving styles:

• Single and multi-gas dives (nitrox, trimix)
• Gauge mode
• Apnea and apnea hunt
• Closed-circuit rebreather (CCR)

Dive Readiness Tool

Exclusive Garmin technology evaluates sleep, stress, exercise, and jet lag to help you determine when your body is best prepared to dive.

DiveView™ Maps

Get bathymetric depth contours and explore more than 4,000 preloaded dive sites with full-color maps right on your wrist.

Dive-Ready Design

Engineered for extreme conditions with a 1.2” AMOLED color display, scratch-resistant sapphire lens, inductive metal buttons, and a 200-meter water resistance rating.

Essential Dive Features

• Dive Log – Store, review, and share dive data with the Garmin Dive™ smartphone app.
• Customizable Dive Modes – Personalize your data screens with fields that matter most.
• Surface GPS – Track precise entry and exit points for every dive.
• Lume Mode – Ambient green luminescence enhances night diving readability.
• Underwater Compass – Navigate confidently with ABC sensors.
• Reference Point Tool – Mark GPS surface points to dive directly onto your target site.
• Variometer – Monitor freedive descent and ascent rates with tone and vibration feedback.
• Big Numbers Mode – Larger text for quick, clear underwater data.
• Tide Data – Stay updated on ocean conditions via smartphone sync.
• inReach® Compatibility – Pair with inReach devices for off-grid satellite messaging.

Fitness, Training & Health

The Garmin Descent™ Mk3i doubles as a performance smartwatch with powerful fitness and wellness features:

• Multi-Sport Apps – Running, cycling, swimming, golf, skiing, surfing, rowing, and more.
• Surf Features – Track waves, distance, max speed, and connect with Surfline® Sessions to record rides on camera.
• Performance Metrics – VO2 Max, endurance score, recovery time, and hill score.
• Daily Training Tools – Animated workouts, Garmin Coach, and adaptive suggested workouts.
• Health Tracking – Wrist-based heart rate, Pulse Ox, sleep monitoring with sleep score, and women’s health tracking.
• Jet Lag Adviser – Minimize fatigue with guidance on light exposure, exercise, and sleep schedule.

Navigation & Exploration

• SatIQ™ Technology – Optimizes GPS accuracy while conserving battery.
• Multicontinent TopoActive Maps – Preloaded maps for global exploration.
• SkiView™ Maps – Run names and difficulty ratings for over 2,000 ski resorts worldwide.
• ABC Sensors – Altimeter, barometer, and 3-axis compass for advanced orientation.
• PacePro™ Technology – GPS-based pace guidance for running and endurance events.
• Turn-by-Turn Navigation – Create and sync routes via Garmin Connect™ or third-party platforms.
• Round-Trip Routing – Get suggested loop routes using TrendLine™ popularity data.

Smartwatch & Lifestyle Features

• Safety & Tracking – Incident detection and live location sharing for peace of mind.
• Music Storage – Download and play songs from Spotify, Deezer, or Amazon Music without your phone.
• Garmin Pay™ – Contactless payments at checkout or transit systems.
• Smart Notifications – Receive texts, calls, and alerts when paired with your smartphone.
• Connect IQ™ Store – Add apps, widgets, watch faces, and data fields.

Battery Life

• Dive Mode: Up to 30 hours
• Smartwatch Mode: Up to 10 days