Garmin
Garmin Descent™ Mk3i – 43 mm Dive Computer
Garmin Descent™ Mk3i – 43 mm Dive Computer
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DISCOVER A DEEPER CONNECTION
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.
SUBWAVE SONAR-BASED DIVER MESSAGING
UP TO 30 HOURS OF BATTERY LIFE IN DIVE MODE
CHOOSE FROM MULTIPLE DIVE MODES
DIVEVIEW™ COLOUR MAPS WITH DEPTH CONTOURS AND DIVE SITES
USE THE DIVE READINESS TOOL TO INFORM YOUR PREPARATION
DEEPEN YOUR CONFIDENCE WITH A 200-METRE DIVE RATING
WHAT YOU'LL LOVE
AIR INTEGRATION
Pair with our Descent™ T2 transceivers (sold separately) for integrated pressure monitoring on up to 8 tanks via the SubWave sonar data network.
SUBWAVE SONAR NETWORKING
Exchange preset diver-to-diver messages up to 30 metres as well as monitor tank pressures and depth for up to 8 divers within a range of 10 metres1.
DIVE READINESS TOOL
This Garmin first technology shows how lifestyle factors such as sleep, exercise, stress and jet lag can affect your body — to help gauge when you are best prepared to dive.
DIVE MODES
Get multiple dive modes for single and multiple gas dives (including nitrox and trimix), gauge, apnea, apnea hunt and closed-circuit rebreather.
DIVEVIEW MAPS
Colour maps on your wrist offer bathymetric depth contours and more than 4,000 dive sites to help you discover new places to dive and get oriented.
DIVE-FOCUSED DESIGN
With its bright 1.2” AMOLED colour display, sapphire lens, 200-metre dive-rated case and leakproof metal inductive buttons, this dive computer is built to go deep.
A STANDARD ABOVE FOR YOUR WORLD BELOW
DIVE FEATURES
DIVE LOG
Store and review data, track gear, take notes — and share via the Garmin Dive™ smartphone app.
LONG BATTERY LIFE
Stay in the water longer with up to 30 hours in dive mode plus up to 10 days in smartwatch mode.
CUSTOMISABLE DIVE MODES
Add additional screens for each dive mode that features the fields you want to see.
LUME MODE
To aid readability and help maintain night vision, an ambient light sensor gives a green luminescence to your watch face in low-light conditions.
DIVE COMPASS
Built-in ABC sensors, including an underwater compass, help navigate every part of your dive.
SURFACE GPS
Track your entry and exit points on the surface with advanced satellite connectivity.
GARMIN DIVE APP
Pair the app with your Descent dive computer to automatically sync and upload your dive logs.
REFERENCE POINT
Use this GPS tool for surface navigation to a dive site, so you can drop right onto your target every time.
VARIOMETER
This tool helps you monitor your freedive descent and ascent rates through tone and vibration feedback.
BIG NUMBERS MODE
Get a simplified dive screen on your wrist, with larger text to see critical diving data.
TIDE DATA
Stay up to date on ocean conditions by pairing your Descent dive computer with your compatible smartphone.
INREACH® DEVICE COMPATIBLE
Pair with inReach devices2 and the inReach dive case for satellite messaging off-grid.
NDL AWARE™ DEPTH METRICS
Extend your bottom time with NDL Aware depth metrics that work in real time to show how specific depth changes can impact your no-decompression limit (NDL).
POST-DIVE ACTIVITY GUIDANCE
Physical fitness is important for divers, but exercising shortly after a dive can increase the risk of decompression sickness. Post-dive activity guidance alerts you when it may be a good idea to postpone your training due to a recent dive.
SIDEMOUNT TANK SWITCH GUIDANCE
When diving with sidemounted tanks, receive visual guidance on your compatible Descent dive computer paired with a Descent™ T2 transceiver as a reminder to switch tanks at a preset pressure value. This allows you to keep tank buoyancy balanced and properly manage a redundant gas supply throughout your dive.
HEALTH AND FITNESS FEATURES
SPORTS APPS
Use preloaded activity profiles for trail running, swimming, running, biking, hiking, rowing, skiing, golfing and more.
SURF ACTIVITY
Record the number of waves surfed, maximum speed reached, distance travelled and more.
SURFLINE® CAMERA
Create a video of every wave you ride in front of a Surfline camera with Surfline Sessions™ technology. Use the Surfline widget to see tide, wave height, wind and surf rating for each of the five nearest surf spots3.
BACKCOUNTRY SKI AND SNOWBOARD
Get ascent and descent data along with metrics such as cadence, stride length and grade.
VO2 MAX
See your current fitness level and track changes over time to set goals, evaluate progress and more.
RECOVERY TIME
Know how long you need to recover before your next high-effort workout based on your latest training.
DAILY SUGGESTED WORKOUTS
View your entire week of daily suggested workouts which adapt after every run or ride.
ANIMATED WORKOUTS
Follow animated workouts for cardio, strength, yoga and Pilates workouts on the watch screen.
WRIST-BASED HEART RATE
This dive computer constantly samples your heart rate4 to help you gauge how hard you work during activities.
LIFESTYLE LOGGING
Log behaviours — such as caffeine and alcohol intake — and view reports on how they impact your health in the Garmin Connect™ app.
PULSE OX SENSOR
Track your blood oxygen saturation while you’re awake or asleep, and gain awareness of how you’re adapting to altitude5.
JET LAG ADVISER
Help to minimise the effects of jet lag with guidance on light exposure, sleep schedule and exercise.
ENDURANCE SCORE
This measurement uses your VO2 max, training loads and other factors to show how training affects your ability to sustain prolonged physical efforts.
HILL SCORE
Based on your VO2 max and training history, this feature measures your strength and endurance for running uphill.
GARMIN COACH
Train for physical challenges with expert coaching and a dynamic training plan keyed to your goals and performance.
SLEEP MONITORING AND SLEEP SCORE
Understand your body’s recovery with sleep score, breakdown of your sleep stages and detailed insights for improved sleep quality4.
WOMEN’S HEALTH TRACKING
Track and log your menstrual cycleor pregnancy to get exercise and nutrition education.
BREATHING VARIATIONS
For a closer glimpse of your health, the breathing variations feature helps you understand shifts in your breathing patterns as you sleep⁶. These shifts could be related to environment, alcohol, or potential sleep disorders such as sleep apnea.
NAVIGATION AND ORIENTATION FEATURES
SATIQ™ TECHNOLOGY
Get superior positioning accuracy with multi-band GPS while optimising battery life.
MULTICONTINENT TOPO MAPS
Preloaded TopoActive maps from around the world keep your explorations on track.
SKIVIEW™ MAPS
View run names and difficulty ratings for more than 2,000 preloaded ski resorts worldwide.
ABC SENSORS
Navigate your next trail with an altimeter, barometer and 3-axis electronic compass.
PACEPRO™ TECHNOLOGY
Plan race-day strategy with GPS-based pace guidance for a selected course or distance.
COURSES WITH TURN-BY-TURN DIRECTIONS
Create or find existing courses in the Garmin Connect™ app, or sync from your favourite third-party platforms, and get turn-by-turn directions.
ROUND-TRIP ROUTING
Enter how far you want to go, and get suggested routes that will bring you back - even use TrendLine™ routing to find the best local paths.
CONNECTED LIFESTYLE FEATURES
SAFETY AND TRACKING FEATURES
If you feel unsafe or if your watch senses that an incident occurred, your watch will send a message with your live location6.
MUSIC
Download songs and playlists from your Spotify, Deezer, Amazon Music or YouTube® Music accounts for phone-free listening (subscription may be required).
GARMIN PAY™ CONTACTLESS PAYMENTS
Breeze through checkout lines or transit systems with participating providers.
SMART NOTIFICATIONS
Receive emails, texts and alerts on your watch when paired with your iPhone® or Android™ smartphone.
CONNECT IQ™ STORE
Add watch faces, data fields and apps to your paired smartwatch.
FAQ's
Do I need my own equipment
For entry level courses, we provide everything you will need. If there is any special equipment you will need for a course, we will discuss this with you at the time of booking.
Do I need to have any experiance?
For experience and entry level courses, you will not need any experience. For development courses, your instructor will guide you through any course prerequisites.
After completing a Try Dive, am I a qualified diver?
This experience dive can be credited towards the first training dive of an Open Water course. Speak to your Instructor to find out how to transition into being a fully qualified diver.