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Garmin Dive Computer Smartwatch | Model Descent™ Mk3i | Case Size 43mm | AMOLED Display | 200m Dive Rating | Dive Mode Battery Up-To 30hr
DESCRIPTION
The Garmin Descent™ Mk3i is an air-integrated dive computer featuring advanced sonar-based diver communication, real-time tank monitoring, and GPS-assisted dive mapping. Whether you're diving deep, training on land, or navigating terrain, the Mk3i delivers unmatched versatility in a 43MM watch-style design.
Pair it with the Descent™ T2 transceiver (sold separately) to monitor up to 8 tanks via the SubWave sonar network. Multi-band GPS and DiveView™ maps offer bathymetric depth contours and pinpoint entry/exit tracking. With big-number mode and tide data, you’ll stay informed in any diving condition.
For fitness and adventure, the Mk3i integrates VO2 max tracking, real-time stamina monitoring, and recovery tools. Garmin Pay™, offline music storage, and turn-by-turn navigation enhance daily convenience.
With up to 30 hours of battery life in dive mode, 10 days in smartwatch mode, and a durable 200M dive rating, the Mk3i is built to endure.
Featuring SubWave™ sonar-based communication and diver monitoring, this advanced, air-integrated1 dive computer and smartwatch comes with Garmin innovations to help prepare you to make the most of your diving experience — plus multisport training and smart features for your active life out of the water.
Key Features
Advanced Dive Technology
- SubWave™ Sonar Networking: Monitor up to 8 divers’ tank pressures and depth (10m range).
- Diver Messaging: Exchange preformatted diver-to-diver messages (via software update, 30m range).
- Multiple Dive Modes: Supports nitrox, trimix, CCR, apnea, and apnea hunt diving.
- Dive Readiness Tool: Analyzes sleep, stress, and exercise factors for optimized dive preparation.
- DiveView™ Maps: Color maps with depth contours and 4,000+ dive sites.
- GPS Surface Tracking: Tracks entry/exit points and pre-dive navigation.
- Big Number Mode: Enlarged display for enhanced readability underwater.
- Variometer: Tone and vibration feedback for freedive descent/ascent rates.
- Lume Mode: Green luminescence enhances low-light readability.
- InReach® Compatibility: Connects with Garmin InReach for satellite messaging (requires dive case).
Multisport Training & Navigation
- Preloaded Sports Apps: Includes running, cycling, swimming, golf, skiing, rowing, and HIIT.
- Backcountry Ski Mode: Distinguishes between ascent and descent for accurate tracking.
- Trail Run VO2 Max: Adjusts VO2 max for trail conditions.
- Surf Features: Records waves surfed, speed, and distance.
- Surfline® Camera Integration: Captures waves with Surfline Sessions™ (smartphone required).
- Turn-by-Turn Navigation: Follow preloaded and custom routes.
- Multi-Band GPS + SatIQ™: Optimizes positioning accuracy and battery life.
- SkiView™ Maps: Displays 2,000+ ski resort runs and difficulty ratings.
Health & Recovery Tracking
- Wrist-Based Heart Rate: Monitors heart rate above and below water.
- Pulse Ox Sensor: Assesses blood oxygen levels for sleep and altitude acclimation.
- Endurance & Hill Scores: Evaluates stamina for prolonged efforts and uphill performance.
- Jet Lag Adviser: Provides travel-based sleep and light exposure recommendations.
- Sleep Monitoring & Recovery: Tracks sleep cycles, sleep scores, and daily readiness.
- Daily Suggested Workouts: Adapts training based on recovery and fitness progress.
Smartwatch Features & Connectivity
- Music Storage: Stores offline playlists from Spotify®, Deezer, and Amazon Music.
- Garmin Pay™: Supports contactless payments for seamless transactions.
- Smart Notifications: Receives calls, messages, and alerts when paired with a compatible phone.
- Connect IQ™ Store: Customize with watch faces, apps, widgets, and data fields.
- Safety & Tracking: Live location sharing, incident detection, and assistance alerts.
Detailed Specifications
Feature | Specification |
---|---|
Lens Material | Sapphire Crystal |
Bezel Material | Titanium (Carbon Gray DLC or Bronze PVD) |
Case Material | Fiber-Reinforced Polymer |
QuickFit™ Band | Yes (20mm) |
Strap Material | Silicone (Black or French Gray) |
Physical Size | 43 x 43 x 14.15 mm |
Wrist Fit |
Silicone Band: 128-224mm Extra-Long Band: 126-360mm |
Display Size | 1.2” (30.4 mm) diameter |
Display Resolution | 390 x 390 pixels |
Display Type | AMOLED with Lume Mode |
Weight | Silicone Band: 60g, Case Only: 41g |
Battery Life |
Smartwatch Mode: Up to 10 days Dive Mode: Up to 30 hours GPS Mode: Up to 18 hours |
Water Rating | Dive (200 meters) |
Memory/Storage | 32 GB |
Manuals & Documents
General Warranty Info:
- Ripping It Outdoors works closely with our manufacturers to supply and support your products warranty needs as best as possible!
- The majority of products come with a manufacturer represented warranty against manufacturing defects for at least a 12 month period after the date of sale.
- Expendable components and "wear parts" including but not limited to blades, knives, teeth, oil, chain sprockets, skid shoes, knife mounting discs, and similar components are usually excluded from manufacturer warranties.
- Please reach out to us for any specific warranty information needed about products and parts you can’t find!
Videos
Shipping
General Shipping Info:
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- Low shipping rates for customers. We have negotiated the best possible rates for customers from our trusted carriers (ODFL, ESTES, UPS, and FedEx).
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Negotiate shipping rates if you think we can do better please reach out. Keep in mind some shipping rates also include assembly & configuration as well!