Description
Take your underwater adventures further with the Garmin Descent Mk3i 51mm, a premium dive computer and multisport GPS smartwatch designed for serious divers, explorers and athletes. Combining cutting-edge diving technology with advanced health monitoring, navigation tools and everyday smart features, the Descent Mk3i delivers exceptional performance both below and above the surface.
Featuring a rugged silver and black PVD titanium case, sapphire crystal lens and comfortable black/pebble grey silicone band, this dive-focused smartwatch is built to withstand the most demanding environments while maintaining a premium look and feel.
Advanced SubWave™ Sonar Diver Communication
Experience a new level of underwater connectivity with Garmin's revolutionary SubWave™ sonar networking technology. Exchange preset diver-to-diver messages at distances of up to 30 metres and monitor tank pressure, depth and vital dive information for up to eight divers within a 10-metre range when paired with compatible Descent™ T2 transceivers.
This advanced communication system enhances team awareness, coordination and safety during every dive.
Dive with Confidence
The Descent Mk3i supports a comprehensive range of diving activities, including:
- Single Gas Diving
- Multi-Gas Diving
- Nitrox Diving
- Trimix Diving
- Closed-Circuit Rebreather (CCR)
- Gauge Mode
- Apnea
- Apnea Hunt
- Freediving
Customisable dive screens allow you to personalise the information displayed, while Big Numbers Mode provides enhanced readability for critical dive data.
The built-in dive compass, surface GPS tracking and ABC sensors ensure reliable navigation throughout your dive journey.
Dive Readiness & Enhanced Safety Features
The innovative Dive Readiness Tool analyses lifestyle factors including sleep, exercise, stress levels and jet lag to help determine your preparedness for diving.
Additional dive safety features include:
- NDL Aware™ Depth Metrics
- Post-Dive Activity Guidance
- Sidemount Tank Switch Guidance
- Surface GPS Entry & Exit Tracking
- Tide Information
- Reference Point Navigation
- Variometer for Freediving
These intelligent tools help improve situational awareness and support safer dive planning.
Explore with DiveView™ Maps
Discover new dive locations with preloaded DiveView™ colour maps featuring bathymetric depth contours and over 4,000 worldwide dive sites. Stay orientated both underwater and on land with advanced mapping and navigation capabilities.
Additional navigation features include:
- Multi-Band GPS
- SatIQ™ Technology
- Worldwide TopoActive Maps
- SkiView™ Resort Maps
- Turn-by-Turn Directions
- PacePro™ Guidance
- Round-Trip Routing
- Altimeter, Barometer and Electronic Compass
Brilliant AMOLED Display & Dive-Focused Design
Built for extreme underwater environments, the Descent Mk3i features:
- Bright 1.4-inch AMOLED Colour Display
- Sapphire Crystal Lens
- Silver & Black PVD Titanium Bezel
- Leakproof Metal Inductive Buttons
- 200 Metre Dive Rating
- Lume Mode for Low-Light Visibility
- Black/Pebble Grey Silicone Dive Band
Its robust construction and exceptional display clarity ensure visibility and reliability wherever your adventures take you.
Built-In LED Flashlight
A powerful integrated LED flashlight provides adjustable brightness levels and strobe modes, making it ideal for night dives, low-light conditions and everyday use.
Exceptional Battery Performance
Stay active for longer with impressive battery life:
- Up to 66 Hours in Dive Mode
- Up to 25 Days in Smartwatch Mode
Whether embarking on multi-day diving trips or extended outdoor adventures, the Descent Mk3i is ready to keep pace.
Advanced Health & Fitness Tracking
Beyond diving, the Descent Mk3i offers Garmin's most advanced wellness and performance monitoring features, including:
- Wrist-Based Heart Rate Monitoring
- Pulse Ox Sensor
- Sleep Monitoring & Sleep Score
- Breathing Variations Tracking
- VO2 Max
- Endurance Score
- Hill Score
- Recovery Time Advisor
- Daily Suggested Workouts
- Garmin Coach Training Plans
- Jet Lag Adviser
- Lifestyle Logging
Gain valuable insights into your health, recovery and overall fitness performance.
Multi-Sport Performance Features
Track a wide range of activities with dedicated sports profiles including:
- Running
- Trail Running
- Swimming
- Cycling
- Hiking
- Rowing
- Golf
- Surfing
- Skiing
- Snowboarding
- Strength Training
- Yoga
- Pilates
Surf enthusiasts can also access Surfline® Sessions technology and detailed surf condition data directly from their wrist.
Smart Features for Everyday Life
The Descent Mk3i seamlessly transitions from dive computer to premium smartwatch with features including:
- Smart Notifications
- Garmin Pay™ Contactless Payments
- Offline Music Storage
- Spotify®, Amazon Music, Deezer & YouTube Music Compatibility
- Connect IQ™ App Store Access
- Incident Detection & Safety Tracking
- inReach® Satellite Device Compatibility
Stay connected, entertained and informed wherever life takes you.
Key Features
- SubWave™ Sonar-Based Diver Messaging
- Air Integration & Diver Monitoring
- Dive Readiness Assessment Tool
- DiveView™ Maps with 4,000+ Dive Sites
- Multiple Dive Modes Including Nitrox & Trimix
- AMOLED Display with Sapphire Lens
- 200m Dive-Rated Titanium Construction
- Built-In LED Flashlight
- Up to 66 Hours Battery Life in Dive Mode
- Surface GPS & Multi-Band GNSS Support
- Advanced Health & Fitness Monitoring
- Garmin Pay™ Contactless Payments
- Music Storage & Streaming Compatibility
- Smart Notifications
- Garmin Dive™ App Integration
The Garmin Descent Mk3i 51mm Silver & Black PVD Titanium Dive Computer Smartwatch is the ultimate companion for divers, adventurers and athletes, combining groundbreaking underwater technology with Garmin's most advanced navigation, fitness and smartwatch capabilities.
