Garmin Descent™ Mk3i – 43 mm Carbon Gray DLC Titanium with Black Silicone Band
The Garmin Descent™ Mk3i 43 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