Descent™ Mk3i – 51 mm | Diving Watch
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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.
BUILT-IN LED FLASHLIGHT
See and be seen with variable light intensities and strobe modes, in or out of the water.
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 66 hours in dive mode plus up to 25 days in smartwatch mode.
CUSTOMIZABLE DIVE MODES
Add additional screens for each dive mode that features the fields you want to see.
SURFACE GPS
Track your entry and exit1 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.
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.
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 device 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.
What You'll Love | |
| Sleep score and insights | ✔️ |
|---|---|
| Battery life (smartwatch mode) | Up to 25 days (10 days always-on) |
| Built-in mapping | ✔️ |
| Pulse Ox blood oxygen | ✔️ |
| LED flashlight | ✔️ |
| Garmin Pay™ | ✔️ |
| Multi-band GPS | ✔️ |
| Music storage | ✔️ |
| Training readiness | ✔️ |
| Training status | yes (improved) |
| Display type | AMOLED |
| Touchscreen | ✔️ |
| Water rating | Dive (200 meters) |
General | |
| Strap material | silicone or DLC coated titanium |
|---|---|
| Lens Material | sapphire crystal |
| Bezel Material | Diamond-like Carbon (DLC) coated titanium |
| Case material | fiber-reinforced polymer with titanium rear cover |
| QuickFit® watch band compatible | yes (26 mm) |
| Physical size | 51 x 51 x 16.4 mm Fits wrists with the following circumference: |
| Weight | no bands: 77.8 g |
| Leakproof inductive buttons | ✔️ |
| Display Size | 1.4” diameter (35.56 mm) |
| Display resolution | 454 x 454 pixels |
| Color display | ✔️ |
| Large font option | ✔️ |
| Battery life | Smartwatch: Up to 25 days (10 days always-on) |
| Charging method | Garmin proprietary clip charger |
| Memory/History | 32 GB |
Clock Features | |
| Time/date | ✔️ |
|---|---|
| GPS Time Sync | ✔️ |
| Automatic daylight saving time | ✔️ |
| Alarm clock | ✔️ |
| Timer | ✔️ |
| Stopwatch | ✔️ |
| Sunrise/sunset times | ✔️ |
Health & Wellness Monitoring | |
| Wrist-based heart rate (constant, every second) | ✔️ |
|---|---|
| Resting heart rate | ✔️ |
| Abnormal heart rate alerts | yes (high and low) |
| Respiration rate | ✔️ |
| Fitness age | yes (in app) |
| Body Battery™ energy monitor | ✔️ |
| All-day stress | ✔️ |
| Relaxation breathing timer | ✔️ |
| Breathwork | ✔️ |
| Sleep | yes (advanced) |
| Nap detection | ✔️ |
| Hydration | yes (in Garmin Connect™) |
| Women's health | yes (in Garmin Connect™) |
| Health snapshot | ✔️ |
| Skin temperature | ✔️ |
| Jet lag adviser | ✔️ |
Sensors | |
| GPS | ✔️ |
|---|---|
| GLONASS | ✔️ |
| Galileo | ✔️ |
| SatIQ™ Technology | ✔️ |
| Garmin Elevate™ wrist heart rate monitor | ✔️ |
| Pulse Ox Blood Oxygen Saturation Monitor | ✔️ |
| Barometric altimeter | ✔️ |
| Compass | ✔️ |
| Gyroscope | ✔️ |
| Accelerometer | ✔️ |
| Thermometer | ✔️ |
| Ambient light sensor | ✔️ |
| Depth sensor | ✔️ |
Daily Smart Features | |
| Connectivity | Bluetooth®, ANT+®, Wi-Fi®, Subwave™ |
|---|---|
| Connect IQ™ (downloadable watch faces, data fields and apps) | ✔️ |
| On-device Connect IQ™ Store | ✔️ |
| Smart Notifications | ✔️ |
| Text response/reject phone call with text (Android™ only) | ✔️ |
| View images from notifications on watch (Android™ only) | ✔️ |
| Morning report | ✔️ |
| Calendar | ✔️ |
| Weather forecasts | ✔️ |
| Realtime settings sync with Garmin Connect™ mobile | ✔️ |
| Battery saver (customizable low power watch) | ✔️ |
| Controls smartphone music | ✔️ |
| Plays and controls watch music | ✔️ |
| Find My Phone | ✔️ |
| Find My Watch | ✔️ |
| Find My Phone during GPS activity | ✔️ |
| Compatible with Garmin Messenger app | ✔️ |
| VIRB® Remote | ✔️ |
| Smart trainer control | ✔️ |
| Pairs with Garmin Connect™ Mobile | ✔️ |
| Smartphone compatibility | iPhone®, Android™ |
| Stocks | ✔️ |
| Red shift mode | ✔️ |
| Garmin Share | ✔️ |
Workout and Training Plans | |
| Daily Suggested Workout - Running (Pace and Heart Rate Based) | ✔️ |
|---|---|
| Daily Suggested Workout - Cycling (Pace and Heart Rate Based) | ✔️ |
| Garmin Running Coach | ✔️ |
| Garmin Running Coach Experts | ✔️ |
| Garmin Cycling Coach | ✔️ |
| Garmin Coach - Prebuilt Cycling Plans | ✔️ |
| Cardio workouts | ✔️ |
| Strength workouts | ✔️ |
| HIIT workouts | ✔️ |
| Yoga workouts | ✔️ |
| Pilates workouts | ✔️ |
| On-screen workout animations | ✔️ |
| On-screen workout muscle maps | ✔️ |
Activity Profiles | |
| Gym | Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing |
|---|---|
| Multisport | Swimming/Running, Triathlon |
| Wellness | Walking, Pilates, Yoga, Indoor Walking |
| Indoor running | Treadmill Running, Indoor Track Running, Virtual Running |
| Outdoor running | Running, Outdoor Track Running, Trail Running, Ultra Running, Obstacle Racing |
| Outdoor recreation | Hiking, Indoor Climbing, Bouldering, Climbing, Hunting, Horseback Riding, Golfing, Disc Golf, Archery |
| Cycling | Biking, Road Biking, Mountain Biking, Gravel Biking, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor Biking, Cyclocross, BMX |
| Swim | Pool Swimming, Open Water Swimming |
| On the Water | Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Kiteboarding, Windsurfing, Fishing, Boating, Sailing, Sail Racing, Water Skiing, Wakeboarding, Wakesurfing, Tubing, Snorkeling, Sailing Expedition, Whitewater |
| Motor sports | Motorcycling, Overlanding, Motocrossing, ATVing, Snowmobiling |
| Racket sports | Tennis, Pickleball, Badminton, Squash, Table Tennis, Padel, Platform Tennis, Racquetball |
| Snow & winter | Skiing, Snowboarding, Backcountry Snowboarding, XC Classic Skiing, Backcountry Skiing, Ice Skating, Snowshoeing |
| Team sports | Basketball, Volleyball, Field Hockey, Ice Hockey, Football/Soccer, American Football, Lacrosse, Rugby, Ultimate Disc, Cricket, Softball, Baseball |
| In the ring | Boxing, Mixed Martial Arts |
| Other activity profiles | Jumpmaster, Tactical, Inline Skating |
Safety and Tracking Features | |
| Incident Detection during select activities | ✔️ |
|---|---|
| Incident detection alert on phone for wearables | ✔️ |
| Assistance | ✔️ |
| Live Event Sharing | ✔️ |
Tactical Features | |
| Ballistics solver | yes (unlock required) |
|---|---|
| Dual grid coordinates | ✔️ |
| Kill switch | ✔️ |
| Night vision mode | ✔️ |
| Stealth Mode | ✔️ |
| XERO™ Locations | ✔️ |
Gaming Features | |
| Gaming Activity | ✔️ |
|---|---|
| GameOn™ app compatible | ✔️ |
Diving Features | |
| Dive activity maximum operating depth | 200 meters |
|---|---|
| Single-gas mode | ✔️ |
| Multi-gas mode | ✔️ |
| Gauge mode | ✔️ |
| APNEA mode | ✔️ |
| APNEA hunt mode | ✔️ |
| Pool APNEA | ✔️ |
| Decompression model | Bühlmann ZHL-16c with gradient factors |
| Nitrox support | ✔️ |
| Trimix support | ✔️ |
| Closed Circuit Rebreather (CCR) | ✔️ |
| Gas mixes | Air, Nitrox and Trimix, up to 100% O2; 1 bottom gas and up to 11 deco and/or backup gasses. |
| PO2 | Up to 2.0 with customizable deco PO2 setting |
| Subwave™ Support | ✔️ |
| Air integration | yes (via Subwave™) |
| Number of transmitters supported | 8 |
| Gas time remaining | ✔️ |
| Gas consumption rate | ✔️ |
| Auto start/end dive | ✔️ |
| Custom end-dive timeout | yes (20s to 10 m) |
| Safety Stop | yes (customizable off/3min/5min) |
| Deep Stops | yes (using custom gradient factors) |
| Customizable conservatism | yes (low/medium/high or custom using gradient factors) |
| Dive ascent/descent rate indicator | ✔️ |
| Automatic altitude adjustment | ✔️ |
| No fly time | ✔️ |
| Dive planner | yes (basic NDL + multi-gas deco planner) |
| Tides | ✔️ |
| Backlight | yes (configurable time and intensity; auto-on at depth) |
| Automatically saves dive entry and exit locations | ✔️ |
| Sync dive log to Garmin Dive™ Mobile app | ✔️ |
| Custom dive data screens | ✔️ |
| Alerts & alarms | Audible and vibration alarms for ascent rate, PO2, CNS/OTU, NDL, deco, gas switching, tank pressure, gas consumption rate. Customizable (up to 40) audible and/or vibration per dive mode, based on depth or time |
| 3-axis dive compass | yes (with adjustable heading, quick change to 90R, 90L and reciprocal). Indicates degrees and direction back to set heading |
| Missed Deco Lockout | yes (can be disabled prior to dive with user acknowledgement) |
| Residual Tissue Loading Reset | yes (on the surface with user acknowledgement) |
| Surface diver status widget | yes (surface interval, N2/HE loading, CNS, OTU and tissue compartment status) |
| NDL aware depth metrics | ✔️ |
Boating Features | |
| Available Boating Profiles | Boating, Sailing, Sail Racing |
|---|---|
| Anchor Alarm | ✔️ |
| Autopilot Control | ✔️ |
| Boat Data Streaming | CIQ |
| Virtual starting line | ✔️ |
| Countdown timer | ✔️ |
| Tack assist mode | ✔️ |
| Built-in barometer and tide tables | yes (downloadable tides) |
| Wearable trolling motor remote | ✔️ |
Activity Tracking Features | |
| Step counter | ✔️ |
|---|---|
| Move alerts (displays on device after a period of inactivity) | ✔️ |
| Auto goal (learns your activity level and assigns a daily step goal) | ✔️ |
| Calories burned | ✔️ |
| Floors climbed | ✔️ |
| Distance traveled | ✔️ |
| Intensity minutes | ✔️ |
| TrueUp™ | ✔️ |
| Move IQ™ | ✔️ |
| Garmin Connect™ Challenges app | yes (optional Connect IQ app) |
| Automatic rep counting | ✔️ |
Training, Planning and Analysis Features | |
| Customizable data pages | ✔️ |
|---|---|
| Downloadable training plans | ✔️ |
| Course guidance | ✔️ |
| HR zones | ✔️ |
| HR alerts | ✔️ |
| HR calories | ✔️ |
| % HR max | ✔️ |
| % HRR | ✔️ |
| Recovery time | ✔️ |
| Auto max HR | ✔️ |
| Race glance/widget | ✔️ |
| HRV status | ✔️ |
| HRV stress test (measures your heart rate variability while standing still, for 3 minutes, to provide you with an estimated stress level; the scale of this is 1 to 100; low scores indicate lower stress levels) | yes (with compatible accessory) |
| HR broadcast (broadcasts HR data over ANT+® to paired devices) | ✔️ |
| Respiration rate (during exercise) | yes (with compatible accessory) |
| GPS speed and distance | ✔️ |
| Customizable activity profiles | ✔️ |
| Auto Pause® automatic timer halt | ✔️ |
| Interval training | ✔️ |
| Improved interval (includes open repeats, intervals data page, rest screen and auto detection) | ✔️ |
| Advanced workouts | ✔️ |
| Power Modes - customizable in-activity battery settings | ✔️ |
| HRM running pace and distance | ✔️ |
| Auto Lap® interval tracking feature | ✔️ |
| Manual lap | ✔️ |
| Rest timer | ✔️ |
| Configurable lap alerts | ✔️ |
| Heat and altitude acclimation | ✔️ |
| VO2 Max (Run) | ✔️ |
| VO2 Max (Trail Run) | ✔️ |
| Realtime stamina | ✔️ |
| Endurance score | ✔️ |
| Load ratio | ✔️ |
| Training load | ✔️ |
| Training load focus | ✔️ |
| Training effect | ✔️ |
| Training effect (anaerobic) | ✔️ |
| Primary benefit (Training Effect labels) | ✔️ |
| Improved recovery time | ✔️ |
| Custom alerts | ✔️ |
| Voice alerts | ✔️ |
| Finish time | ✔️ |
| Virtual Partner | ✔️ |
| Race an Activity | ✔️ |
| Manual multisport activities | ✔️ |
| Garmin Live Segments | ✔️ |
| Strava Live Segments | ✔️ |
| Round-trip course creator (running/cycling) | ✔️ |
| Trendline™ Popularity Routing | ✔️ |
| Touch and/or button lock | ✔️ |
| Shortcuts | ✔️ |
| Auto scroll | ✔️ |
| Activity history on watch | ✔️ |
| Physio TrueUp | ✔️ |
| Unified training status | ✔️ |
Running Features | |
| GPS-based distance, time and pace | ✔️ |
|---|---|
| Running dynamics | ✔️ |
| Vertical oscillation and ratio | ✔️ |
| Ground contact time and balance | ✔️ |
| Stride length (real time) | ✔️ |
| Cadence (provides real-time number of steps per minute) | ✔️ |
| Running power | ✔️ |
| Grade-adjusted pace | ✔️ |
| Performance condition | ✔️ |
| Lactate threshold | yes (with compatible accessory) |
| PacePro™ Pacing Strategies | ✔️ |
| Run workouts | ✔️ |
| Hill score | ✔️ |
| Trail run auto climb | ✔️ |
| Race predictor | ✔️ |
| Course- and weather-specific race predictor | ✔️ |
| Foot pod capable | ✔️ |
| Run/Walk/Stand detection | ✔️ |
Golfing Features | |
| Preloaded with 43,000 courses worldwide | ✔️ |
|---|---|
| Yardage to F/M/B (distance to front, middle and back of green) | ✔️ |
| Yardage to layups/doglegs | ✔️ |
| Measures shot distance (calculates exact yardage for shots from anywhere on course) | automatic |
| Digital scorecard | ✔️ |
| Custom targets | ✔️ |
| Stat tracking (strokes, putts per round, greens and fairways hit) | ✔️ |
| Garmin AutoShot™ | ✔️ |
| Full vector map | ✔️ |
| Auto CourseView updates | ✔️ |
| Green View with manual pin position | ✔️ |
| Hazards and course targets | ✔️ |
| PinPointer | ✔️ |
| PlaysLike distance | ✔️ |
| Touch-targeting (touch target on display to see the distance to any point) | ✔️ |
| Handicap scoring | ✔️ |
| Tempo Training | ✔️ |
| Round timer/odometer | ✔️ |
| CT10 Automatic club tracking compatible (requires accessory) | ✔️ |
| Wind speed and direction (requires connection to Garmin Golf app) | ✔️ |
| Virtual caddie | ✔️ |
| Pairs with Garmin Golf app | ✔️ |
| Tournament legal | ✔️ |
| Green Contours (with Garmin Golf membership) | ✔️ |
Outdoor Recreation | |
| Point-to-point navigation | ✔️ |
|---|---|
| Bread crumb trail in real time | ✔️ |
| Back to start | ✔️ |
| TracBack® | ✔️ |
| UltraTrac mode | ✔️ |
| Explore Nearby | ✔️ |
| Reference point | ✔️ |
| Up Ahead | ✔️ |
| NextFork™ navigation | ✔️ |
| Elevation profile | ✔️ |
| Distance to destination | ✔️ |
| Barometric trend indicator with Storm Alert | ✔️ |
| ClimbPro™ Ascent Planner | ✔️ |
| Vertical speed | ✔️ |
| Total ascent/descent | ✔️ |
| Rest Timer (Ultra Run only) | ✔️ |
| Auto rest | ✔️ |
| Future elevation plot | ✔️ |
| Preloaded road and trail maps | ✔️ |
| Preloaded ski resort maps | ✔️ |
| Downloadable cartography support | ✔️ |
| GPS coordinates | ✔️ |
| Sight 'N Go | ✔️ |
| Area calculation | yes (via Connect IQ™) |
| Fish forecast | ✔️ |
| Projected waypoint | ✔️ |
| Sun and moon information | ✔️ |
| Expedition GPS Activity | ✔️ |
| Tides | ✔️ |
| Tide glance | ✔️ |
Cycling Features | |
| Courses | ✔️ |
|---|---|
| Bike lap and lap maximum power (with power sensor) | ✔️ |
| Race an activity | ✔️ |
| Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories) | ✔️ |
| FTP (Functional Threshold Power) | yes (with compatible accessory) |
| Power curve and % FTP workouts | ✔️ |
| Cycle Map (routable cycling-specific street map) | ✔️ |
| MTB Grit & Flow | ✔️ |
| Advanced cycling dynamics | ✔️ |
| Compatible with Vector™ and Rally™ (power meters) | ✔️ |
| Compatible with Varia Vision™ (head-mounted display) | ✔️ |
| Compatible with Varia™ radar (rear-facing radar) | ✔️ |
| Compatible with Varia™ lights | ✔️ |
| Compatible with Varia headlight camera | ✔️ |
| Speed and cadence sensor support (w/sensor) | ✔️ |
| Power meter compatible | ✔️ |
| Power guide | ✔️ |
Swimming Features | |
| Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories) | ✔️ |
|---|---|
| Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories) | ✔️ |
| Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only) | ✔️ |
| Drill logging (pool swim only) | ✔️ |
| Basic rest timer (up from 0) (pool swim only) | ✔️ |
| "Repeat on" rest timer (pool swim only) | ✔️ |
| Auto rest (pool swim only) | ✔️ |
| Time and distance alerts | ✔️ |
| Pacing alerts (pool swim only) | ✔️ |
| Countdown start (pool swim only) | ✔️ |
| Pool swim workouts | ✔️ |
| Critical swim speed | ✔️ |
| Underwater wrist-based heart rate | ✔️ |
| Heart rate from external HRM (real-time during rests, interval and session stats during rests, and automatic heart rate download post-swim) | yes (with HRM-Tri, HRM-Swim, HRM-Pro or HRM-Pro Plus) |
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Croatia
The price of standard delivery for Croatia ranges from 4.25 to 39.15 EUR, depending on the weight of the shipment. Free delivery within Croatia is available for orders over 80.00 EUR.
Free delivery is NOT AVAILABLE for large-sized products or for shipments weighing more than 31.50 kg.
The expected standard delivery time is 2 to 4 days. The delivery price to islands is 2.50 EUR more expensive than standard delivery for the same weight. Delivery to islands may be extended by a few days.
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Slovenia
The delivery price ranges from 9.40 to 16.00 EUR, depending on the weight of the shipment.
The expected delivery time is 2 to 4 days.
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Austria, Slovakia, Czech Republic, Germany, Hungary
The delivery price ranges from 27.80 to 41.70 EUR, depending on the weight of the shipment.
The expected delivery time is 2 to 4 days.
- Belgium, Denmark, Estonia, France, Ireland, Italy, Latvia, Luxembourg, Netherlands, Poland, Portugal, Spain, Sweden
The delivery price ranges from 36.10 to 49.30 EUR, depending on the weight of the shipment.
The expected delivery time is 5 to 6 days.
- Bulgaria, Finland, Romania
The delivery price ranges from 53.50 to 70.50 EUR, depending on the weight of the shipment.
The expected delivery time is 6 to 7 days.
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Serbia
The delivery price ranges from 29.47 to 70.21 EUR, depending on the weight of the shipment.
The expected delivery time is 4 to 5 days.
You can return all or individual items within 14 days without providing a reason.
You must notify us by email about your decision to unilaterally terminate the contract before the 14-day period expires, in which you will state your full name, address, phone number, and you can also use the form for unilateral termination of the contract
If you unilaterally terminate the contract, we will refund the money we received from you, including the delivery costs, without delay, and no later than 14 days from the day we received your decision to unilaterally terminate the contract, unless you have chosen a different delivery method that is not the cheapest standard delivery offered by us.
The refund will be made in the same way that you made the payment. If you agree to a different refund method, you will not incur any additional costs.
The refund can be made only after the goods have been returned to us.
You must return the goods to us in an undamaged, unworn, and unused condition. You must not freely use the goods until the contract is terminated.
You bear the cost of returning the goods.
You are responsible for any reduction in the value of the goods resulting from handling the goods, except for what was necessary to determine the nature, characteristics, and functionality of the goods.
According to Article 86, paragraph 1, of the Consumer Protection Act, the right to unilateral termination is excluded for contracts for the delivery of goods that are not pre-manufactured and are made according to consumer specifications, at the consumer's choice, or customized for the consumer, goods that have an expiration date, for contracts whose subject is sealed goods that are not suitable for return due to health or hygiene reasons, if unsealed after delivery.
Bank transfer
Via bank payment order, general payment slip in a bank or Internet banking.
Payment details, including the BIC/SWIFT and IBAN to which the order amount should be transferred will be sent to the email address provided during the order process.
Credit / debit card
Secure payment via the Monri WSPay payment system.
You can pay with MasterCard, Visa, Maestro, or Diners cards.
Cash on delivery
If you choose cash on delivery, you are obligated to pay for the products upon receiving them. Payment to the courier can be made in cash or with a credit / debit card. We do not guarantee the possibility of card payment to the courier as it depends on the selected delivery service.
Cash on delivery is only available to customers whose delivery address is in Croatia.
Certain large and/or bulky items cannot be paid for by cash on delivery but exclusively via bank transfer or card.