Garmin Descent Mk3

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The Garmin Descent Mk3 is a multi-gas nitrox and trimix decompression dive computer in a premium multi-activity smartwatch styled with Stainless Steel bezel and Fog Gray color silicone wrist band.

This Mk3 model (without the "i") does not support an air integration transceiver.

Garmin Descent Mk3

Garmin Descent Mk3
Garmin Descent Mk3
  • Nitrox & Trimix decompression dive computer in multi-activity GPS smartwatch
  • Bühlmann ZHL-16c algorithm with configurable Gradient Factors
  • Built-in sensors include depth, temperature, 3-axis compass, gyroscope, barometric altimeter, pulse oximeter
  • Bluetooth Smart, Wi-Fi and ANT+ supports notifications with your smartphone
  • Suitable for wear as your everyday timepiece

For those sport and technical divers who like a wrist-watch form factor suitable for everyday wear, the Garmin Descent Mk3 builds on the features of their fēnix® 7 multi-activity smartwatch to add SCUBA diving functionality. The Descent series includes mixed-gas decompression dive computer functionality in a premium smartwatch with activity profiles, performance metrics and smart notifications. The Mk3 high-resolution AMOLED display assures readability in all dive conditions including bright sunlight.

Once underwater, the Bühlmann ZHL-16C decompression algorithm with user configurable Gradient Factors allows individual control of your dive computer decompression calculations and stop depths. Full color graphics plus tone and vibration alerts help keep you informed while you’re submerged. During a decompression dive, the Descent can provide time-to-surface based on "look ahead" at planned gas switches along with current ceiling and stop time. Multiple gas definition presets are supported with any combination of air, nitrox, trimix and oxygen. For technical dives, the Descent is user configurable to NOT "lockout" after a missed stop. Even underwater (if worn next to the skin), the Descent is able to measure and display your actual heartbeat rate.

On land, the Descent also functions as a robust training and outdoor companion. It has profiles for running, cycling, swimming, as well as indoor workouts and recreational activities such as boating, golf, hiking, climbing, skiing and much more. Pinpoint navigation and topographic mapping (on the surface only) using both GPS and GLONASS satellite signals. Thanks to built-in Bluetooth, it supports notifications from a paired smartphone. It's also Wi-Fi enabled to connect and automatically send activity uploads, including your dive logs, for review or sharing on Garmin Connect. Store up to 2,000 songs, or access streaming music apps from your compatible services, including Spotify®, Deezer and Amazon Music. What’s more, the Descent design is suitable for wear as your everyday timepiece.

Diving Features, Functions and Alerts Highlights:

  • Decompression dive computer with {1.2 inch | 30.4 mm} AMOLED color 390x390 pixel display in a richly featured multi-activity smartwatch
  • Built-in sensors include depth, temperature, 3-axis compass, gyroscope, barometric altimeter and heart rate with pulse oximeter
  • Supports open-circuit single-gas, multi-gas, closed-circuit rebreather (CCR), gauge and apnea (free-diving) modes
  • Plan your dives directly on the device, including planned deco with gas switches
  • Supports a bottom gas plus up to 5 decompression/backup gas mixes including air, nitrox, trimix and 100% oxygen
  • Bühlmann ZHL-16c algorithm with configurable Gradient Factors
  • GF presets for sport diving NDL safety factor: High = 35/75, Medium = 40/85, Low = 45/95
  • Depth rated to { 660 fsw | 200 msw }, designed to comply with EN13319
  • Various alerts (tone, vibration, display) for:

    • CNS Warning >= 80% and CNS Critical >= 100%
    • OTU Warning >= 250 and OTU Critical >= 300
    • NDL Warning >= 80% of inert gas limit and NDL Exceeded
    • PO2 Low < 0.18 ATA (suppressed first two minutes of dive)
    • PO2 High and PO2 Critical (user configurable up to 1.6 ATA)
    • Ascent rate fast >= {30 fpm | 10 mpm} for >= 10 seconds
    • Gas switch suggested (based on enabled gas list and selected switch PO2)
    • Approaching deco stop, deco stop completed and all deco complete
    • Depth Ceiling violation if above ceiling by {2.0 ft | 0.6 m}
    • Multiple user configurable depth and runtime alerts
    • User configurable safety stop
    • User configurable units: imperial (feet, psi) or metric (meters, bar)
    • Battery Low < 20% and Battery Critical < 10%
  • Missed deco lockout can be disabled prior or post dive with user acknowledgement
  • On device dive log lets you store and review data from up to 200 dives
  • Store and share unlimited dive log online via Garmin Connect™ and its included mobile app
  • Bluetooth Smart, Wi-Fi and ANT+ supports wireless connectivity to a variety of devices as well as firmware updates.
  • Battery life: Varies depending on features enabled - Dive mode: Up to 30 hours, Smartwatch Mode: Up to 10 days.
  • Construction material is a fiber-reinforced polymer body with sapphire crystal lens and stainless steel bezel and rear cover; includes Fog Gray color silicone wrist band.
  • Physical size is: {43 x 43 x 14.15 mm} or {1.7 x 1.7 x 0.56 inch}

What's in the box? - The box contains the Garmin Descent Mk3 multi-activity GPS smartwatch and dive computer with a standard length silicone QuickFit26 wrist band, plus an extra long silicone wrist band for use with thick exposure suits, along with a charging cable and quick start guide. Separately ordered optional Garmin accessories include QuickFit 26 wrist bands in choice of color or metal link styles, and additional USB data & charging cables.

More Information
Brand Garmin
SKU GM-010-02753-03
Weight 1.000000

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