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Garmin

Garmin Descent™ Mk3i, Dive Computer and Multisport GPS Smartwatch, Air Integration, Black

  • Based on 48 reviews
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Availability: Only 3 left in stock, order soon!
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Arrives Sunday, Jun 28
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Style: Mk3i


Color: Black


Features

  • Advanced, watch-style dive computer features a stunning 1.4 AMOLED display, scratch-resistant sapphire lens, 51 mm titanium bezel and optional titanium bracelet
  • Dive-first design with 200-meter dive-rated case includes metal leakproof inductive buttons and multiple dive modes for recreational to technical scuba diving and freediving
  • Enhanced SubWave sonar technology provides the ability to exchange preset diver-to-diver messages up to 30 meters (available with software v.15.70 or later) as well as monitor tank pressures and depth for up to eight divers, within a range of 10 meters when paired with the Descent T2 transceiver (sold separately) for group dive support
  • Built-in LED flashlight with variable intensities and strobe modes gives you greater visibility in low- light conditions above or below water and provides a bright, steady beam in either red or white light
  • A dive readiness tool, developed by Garmin, shows how lifestyle factors such as sleep, exercise, stress and jet lag can affect your bodys overall preparedness for diving offering guidance that can help you make better-informed dive plan decisions (data presented is intended to be a close estimation of metrics tracked)
  • DiveView maps offer bathymetric depth contours and more than 4,000 dive sites to help you find where to dive and get oriented
  • Multi-band GPS technology provides superior positional accuracy while youre out on the water, and built-in ABC sensors including an underwater compass help navigate every part of your dive from entry to exit (GPS tracking does not work underwater)
  • A dive log lets you store and review data from up to 200 dives right on your wrist, plus you can share and review dives in the Garmin Dive app downloaded to your compatible smartphone
  • Built-in sports apps help support your active lifestyle, offering fitness and training features that provide actionable insights for building strength and endurance
  • Get 24/7 health and wellness monitoring with wrist-based heart rate, advanced sleep monitoring, respiration tracking, Pulse Ox and more (this is not a medical device, and data presented is intended to be a close estimation of metrics tracked; Pulse Ox not available in all countries)

Description

Discover a deeper connection with the Descent™ Mk3i watch-style dive computer. It features multiple dive modes plus SubWave™ sonar technology for diver-to- diver communication via preset messages (available with software v.15.70 or later). The device also supports monitoring of tank pressures and depth for up to eight networked divers, when paired with the Descent™ T2 transceiver (sold separately). A built-in LED flashlight keeps you going in low-light conditions, above or below water. Purpose-built specifically for divers, the Descent Mk3i dive computer combines a bright 1.4” AMOLED display with scratch- resistant sapphire lens, 200-meter dive-rated case and metal leakproof inductive buttons. DiveView™ maps offer bathymetric depth contours and more than 4,000 dive sites to help you find where to dive and get oriented. Plus, a dive readiness tool, developed by Garmin, shows how lifestyle factors such as sleep, exercise, stress and jet lag can affect your body’s overall preparedness for diving — so, ultimately, you can make better-informed dive plan decisions (data presented is intended to be a close estimation of metrics tracked). This dive computer is designed to help maximize your preparation for the physical and mental challenges of diving. When you’re ashore, built-in sports apps help you stay on top of your fitness, while Garmin Pay™ contactless payments, music storage and smart notifications keep you connected (compatible smartphone required).

Operating System: Android, iOS


Memory Storage Capacity: 32 GB


Special Feature: Bluetooth


Battery Capacity: 150 Milliamp Hours


Connectivity Technology: Bluetooth, USB


Wireless Communication Standard: Bluetooth


Battery Cell Composition: Lithium Polymer


GPS: Built-in GPS


Shape: Round


Screen Size: 1.4 Inches


Operating System: Android, iOS


Additional Features: Bluetooth


GPS Geotagging Functionality: Built-in GPS


Band Material Type: Silicone


Case Material Type: Titanium


Water Resistance Level: Waterproof


Sport Type: Diving, Exercise & Fitness, Outdoor Lifestyle, Running, Swimming


Closure Type: Buckle


Human Interface Input: Buttons


Clasp Type: Hook


Supported Application: GPS


Water Resistance Depth: 200 Meters


Supported Satellite Navigation System: GLONASS, GPS, Galileo


Controller Type: Push Button


Metrics Measured: Stress,Sleep Duration,Heart Rate


Shape: Round


Style Name: Mk3i


Color: Black


Band Color: Black


Connectivity Technology: Bluetooth, USB


Wireless Compability: Bluetooth


Communication Feature: SubWave sonar


Compatible Devices: Android, iPhone


Compatible Phone Models: Phones running on iOS and Android


Memory Storage Capacity: 32 GB


Brand: Garmin


Model Name: Descent™ Mk3i – 51 mm


Target Audience: Unisex Adults


Age Range Description: Adult


Model Number: 010-02752-10


Built-In Media: Descent Mk3i – 51 mm > carbon gray DLC titanium with DLC titanium band, black silicone band, black extra long adjustment strap, USB-C to clip charging/data cable, documentation


Wearable Computer Type: Smart Watch


UPC: 753759332907


Manufacturer: Garmin


Item Type Name: Dive Watch


Unit Count: 1.0 Count


Warranty Description: 1 year limited warranty


Battery Capacity: 150 Milliamp Hours


Battery Cell Type: Lithium Polymer


Battery Average Life: 25 days


Screen Size: 1.4 Inches


Display Type: OLED


Resolution: High


Item Weight: 105.6 Grams


Item Dimensions: 2.01 x 2.01 x 0.63 inches


Warranty Type: Limited


Waterproof Rating: IPX7 or IPX8


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Jun 28

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Great Multi-Purpose Device
Style: Mk3 Color: Fog Gray
This is a great dive computer if you want a device that you can also use for activities other than diving. It is bright and very readable under water, and you can customize the different screens to suit your needs. My main complaint is that you have to remember to manually start a “dive” activity if you want it to capture your GPS coordinates before the dive, and I haven’t been able to get it to capture the coordinates at the end of dives (perhaps I just need to hold it out of the water or set the end dive delay for longer so that it ends when I’m back on the boat). If you start a dive without manually selecting the activity, the watch will automatically go into dive mode… it just won’t have gotten the GPS position beforehand. Your data syncs to the Garmin Dive app, which is okay but could be better. Annoyingly, it seems to save data to the cloud, not to your device, so you need an internet connection to view your dive log. As an out-of-water watch, it’s a little bulky but not out of line with Garmin’s higher end sports watches. I’ve used it for walking, running, swimming, and sleep tracking. It comes with regular length straps for normal wear as well as a longer strap for diving, and it’s really easy to snap them on and off to change between the two. Garmin also offers a large line up of different colors and styles. It’s relatively easy to customize the watch face designs and add / remove data. Battery life is respectable. ... show more
Reviewed in the United States on May 24, 2024 by mir
    • High-Performance Dive Watch with Unmatched Versatility and Safety Features
Style: Mk3i Color: Black Titanium
Review Image by Terry
Review Image by Terry
I recently took the Mk3i with me to the Philippines for diving, and it exceeded my expectations. The battery life is outstanding, and it performed flawlessly during my SCUBA dives. I paired it with the wireless air pod for my tank, which allowed me to monitor my air supply or track a less experienced diver—an excellent safety feature, even though the pods are a bit pricey. I opted for the larger model with a built-in flashlight, which I initially thought I wouldn’t use but now rely on all the time. The red light mode is especially useful for staying visible when walking on dark streets at night. With so many features packed into this watch, it’s a top-tier dive computer and more. The only small downside is that the buttons can be too easily pressed, but it's not a deal-breaker. If you can invest in it, I highly recommend it for its versatility, durability, and safety-enhancing features. ... show more
Reviewed in the United States on September 26, 2024 by Terry
    • Exceeded my expectations when I upgraded from a MK1
Style: Mk3i Color: Black Titanium
I’ve had a Mk1 which has served me well. This watch has a bigger, brighter screen, and so many more features. Wear it scuba, golf (excellent) and road biking. Best is the morning health report!
Reviewed in the United States on July 21, 2025 by Richard H. Garrett
    • great waTch
Style: Mk3i Color: Black Titanium
great battery life, great functionality, my new everyday watch
Reviewed in the United States on November 26, 2025 by Kurt Cushing
    • Good quality, fast delivery
Style: Mk3 Color: Fog Gray
Review Image by Faye
Gooooooooddddd
Reviewed in the United States on January 10, 2026 by Faye
    • chose this over fenix 8
Style: Mk3i Color: Black
I've worn a Garmin watch for more than a decade, starting with the forerunner 920xt, fenix 5, 6, epix 2. the consolidation of all my health stats and activities in one place and the amount of detail is unmatched by any other tracker I chose the descent because I'm getting into diving. at first I thought the fenix 8 was right for me but the air integration is a must. helps you track your air consumption in much more detail (see the reviews for the descent t2 transmitter) the fenix 8 is also limited to recreational depths, and if you remotely think you might want to get into tec diving or deeper depths, you need the descent as someone who also tracks all runs, bike rides, hikes, workouts etc, the descent is the closest thing to the perfect daily companion the only minor downside is that the screen is not quite as large as dedicated high end dive computers like the shearwaters, but all the functionality is there ... show more
Reviewed in the United States on November 21, 2024 by anonymous
    • Great for groups
Style: Mk3i Color: French Gray
Great dive computer. Pros.: GPS; Haptic; Integrated air; Transmitter with no valve; Messages with other divers; Share info with other divers (essential for my, I dive with my family). Cons.: The "sonar" used to communicate does an annoying sound. I prefer my Sheerwater Teric screen customization, maybe I just didn't find the right screen mode. The GPS doesn't automatically input the dive location. ... show more
Reviewed in the United States on August 16, 2025 by Adrian Antonio troccoli
    • Too big
Style: Mk3i Color: Black Titanium
Watch is gigantic -- to big for my wrist. Returned to amazon, received a partial refund due to "damage" -- Amazon wasn't able to help out. The item was 100% not returned damaged.
Reviewed in the United States on March 1, 2026 by Alex

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