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Garmin Descent Mk3i Watch Style-Dive Computer (43mm, Carbon Gray Titanium with Black Silicone Band)

  • mfr: 010-02753-10
  • SKU: 010-02753-10
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Product highlights

  • 43mm dive computer and smartwatch
  • Multiple dive modes for single and multiple gas dives
  • Built-in ABC sensors
  • Customizable dive modes
  • Up to 30 hours of battery life in dive mode
  • Up to 10 days in smartwatch mode
  • Multiple in-built sports profiles
  • Surface GPS tracks your entry and exit points
  • Pair with inReach devices and the inReach dive case

Garmin Descent Mk3i Watch Style-Dive Computer (43mm, Carbon Gray Titanium with Black Silicone Band)

The Garmin Descent Mk3i features SubWave sonar-based communication and diver monitoring and is loaded with multiple lifestyle tracking applications to help you make the most of it under water, as well as in the outside world.

Convenient Monitoring

Monitor up to 8 tanks via the SubWave sonar data network. Simply pair it with Garmin Descent T2 transceivers (sold separately).


Send preset diver-to-diver messages (coming soon via software update). Use this feature to communicate with a diver up to 30 meters and up to 8 divers within a range of 10 meters.

Multiple Dive Modes

Use multiple dive modes whether for a single or multiple gas dives (including nitrox and trimix) gauge, apnea, apnea hunt and closed-circuit rebreather.

Readiness Tool

The Dive Readiness tool feature informs you if your body is best prepared to dive based on lifestyle factors like sleep, exercise, stress, and jet lag.


These color maps offer insight into bathymetric depth contours and offers information of about 4000 dive sites so you never stop discovering.

Designed for Diving

The 1.2-inch AMOLED display and sapphire lens in the 200-meter dive-rated case is designed for diving. The watch even boasts of leakproof metal inductive buttons.

Track Your Dive Sessions

Keep track of your diving sessions using the dive log. Review data, track gear and maintain notes via the Garmin Dive smartphone app.

Battery Performance

Stay in water for up to 30 hours in the dive mode and enjoy the high performance battery for up to 10 days or more when kept in the smartwatch mode.

Dive Modes Personalization

For every dive mode, u can add additional screen to help see the fields you need.


Keep track of entry and exit points using the surface GPS that makes the most of advanced satellite connections.

Garmin App

The Garmin Dive App automatically syncs and uploads your dive logs when you pair it with your dive computer.

Green Luminescent Mode

This mode helps maintain night vision and lends a green luminescence to your watch face in low-light conditions.


The ABC sensors are built into the dive computer and it also features an underwater compass.

Surface Navigation

The Reference Point GPS tool can be used to navigate to a dive site.

See Clearly

With the Big Numbers mode feature, you can see the dive screen in larger text for clearer visibility.

Stay Updated

With access to up to date ocean conditions, you only need to pair your Descent device with compatible smartphone and stay updated.


The Inreach device compatibility helps to pair with inReach devices and the inReach dive case when you need to message off-grid without the availability of satellite messaging.

Built-In Apps

Choose from a range of preloaded activity profiles for trail running, swimming, running, biking, hiking, rowing, skiing, golfing and more.

Be Surf Ready

With surf activity feature recording the number of waves surfed and the maximum speed reached, and distance travelled, be surf ready for your next marine adventure. And while you are at it, let the surfline camera create a video of every wave you ride.

Ski and Snowboard

With this feature, get ascent and descent data along with a range of metrics to help you ski.

Fitness Level Tracking

Keep a tab on your current fitness level and track the changes over time to check progress and set fitness goals.

Workout Recovery

This feature of the smartwatch helps you to know when to recover from your high-effort workout. It calculates your latest training to give you insight.

Motivate Yourself

With daily suggested workout and animated workouts for a range of styles, you can be assured to feel motivated.

Health Monitoring

The dive computer and smartwatch will keep track of your heart rate and also keep track of your bloox oxygen saturation during waking and sleeping hours. The Jet Lag adviser will train you to optimize your sleep cycle and exposure to light to feel better as soon as possible. Sleep monitoring will track your sleep cycle to gain information about your waking hours, light and deep sleep and REM state. Based on VO2 max and your load of training, the Hill Score feature helps to measure your strength while Garmin coach lets you train for physical challenges with coaching and training plans


Operating System Android
Memory 32 GB
Model Descent
Band Color Black
Band Material Silicone
Weight no band: 0.10, silicone band: 0.15 lb
Water-Resistant Yes
Waterproof Yes
Estimated Battery Life Up to 10 days
Power Source Battery
Touch Screen Yes
Display Resolution 390 x 390
Display Type AMOLED


Customer Questions
No Questions


Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.
You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges. 
You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days. 
If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact [email protected] with your order number and a description of the damage. 
Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at [email protected], or send us a message here.  
We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead. 
If you ordered a kit, you must return all components and accessories to receive a full refund. 
If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund. 
We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900. 
Most items can be returned within 30 days for a full refund. Click here to read our full return policy. 

Shipping and Returns

Same Day Shipping

All orders placed by 4PM( EST), Monday through Thursday, and by 11AM (EST) on Friday, are shipped same day. Orders placed outside these times will ship the next business day. We do not ship internationally or to Puerto Rico, Guam and other US territories at this time. For more details click here.

Free Two-Day Shipping

We offer free expedited shipping on thousands of items within the continental USA (this does not include Alaska and Hawaii).

Flexible, Easy Returns

If you're not happy with your purchase for any reason, our flexible 30-day free return policy makes it easy to get a full refund. Click here to view our return policy.

Ratings and reviews

Garmin Descent Mk3i Watch Style-Dive Computer (43mm, Carbon Gray Titanium with Black Silicone Band)

Garmin Descent Mk3i Watch Style-Dive Computer (43mm, Carbon Gray Titanium with Black Silicone Band) SKU: 010-02753-10

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