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Garmin Descent Mk1 – A Smartwatch for Divers

By Roxana Bikfalvi. Updated: Mar 21, 2022

Freediver competing wearing Garmin Descent Mk1

Improperly described as a smartwatch, the Descent Mk1 by Garmin is a capable dive computer that combines powerful fitness tools with all functionalities you might need while exploring the depths of the ocean.

It addresses diving enthusiasts specifically, although it can also satisfy hikers or the marines.

Background

Garmin Descent Mk1 is a superb all-rounder. With the Fenix 5X platform at its core and functionalities developed specifically for the underwater, it combines the capabilities of a dive computer with the features of a watch, fitness tracker, altimeter, and GPS.

Cutting-edge technology allows it to keep track of all your activities and record gym, trail, or diving data to help you boost performance.

Performance blends with looks as well; the watch has a utilitarian yet sleek design that pairs amazingly with swim, fitness, or casual outfits.

Built with the divers in mind, Descent Mk1 is also an excellent timepiece for sailors, marines, swimmers, athletes, as well as anyone else who wants to wear a capable, waterproof, and highly aesthetic smartwatch.

Garmin Descent Mk1, Watch-Sized Dive Computer with Surface GPS, Includes Fitness Features, Silver with...
Garmin Descent Mk1, Watch-Sized Dive Computer with Surface GPS, Includes Fitness Features, Silver with...
    Check Amazon Price

    Features

    Based on Fenix 5X, the Descent Mk1 has all the functionalities of the popular fitness tracker and adds some more specific ones developed for swimmers and divers.

    An intuitive interface makes it super-easy to access features for a range of diving activities. You can use it to plan your recreational, technical, or free diving, check your current depth and dive time,  descent and ascent rate, water temperature, decompression stop information, and more.

    The dive computer activates itself automatically as soon as you hit the water, so you won’t have to lose time setting up the watch each time you want to plunge into the blue.

    Highly appreciated are the tone and vibration alarms that turn on at critical points in your dive. The computer also supports up to 6 gas mixes and has configurable conservative settings, so you can easily set up your own safety limits.

    One thing missing is a specific function for the tide; considering that most divers also enjoy sailing and boating activities, this would have been a nice addition.

    Sure, you can connect the Descent to your smartphone to access vital information such as the weather forecast and moon calendar, but Garmin could have just equipped the smartwatch with these functions.

    Also, DYN tables are not included for apnea mode. You can track your pool training for time, turns, and total distance using the swimming mode though.

    Freedivers pose with their Garmin Descent Mk1 after pool competition
    Freedivers pose with their Garmin Descent Mk1 after pool competition

    Design

    The Descent Mk1 has the rugged design of an utilitarian watch blended with the sleek, stylish lines Garmin is renowned for.

    It comes in two versions. The standard one, called Silver, with steel bezel and silicone band, and a Premium version with titanium bezel and band. The 1.2-inch vibrant colour display remains unchanged between the models, giving unity to the line.

    Lightweight and super-comfy to wear, it fits wonderfully on most wrists.

    Garmin also offers the silicone band in three stylish shades besides the factory black. They don’t come with the watch, but it’s nice to know you can buy them.

    The backlit display is visible in most light conditions and is adjustable for apnea mode, so you can leave the light on while diving.

    Fitness Tracking

    When you’re not diving or swimming, the Descent Mk1 becomes an everyday wearable timepiece and fitness tracker comparable to Fenix 5X.

    The underwater GPS gives it a Quatix 5 touch, allowing you to mark waypoints, as well as track your hikes.

    Standard sports watch functions also include heart rate monitoring and advanced multi-sports features such as running dynamics and preloaded profiles for hiking, skiing, biking, running, paddle boarding, rowing, and more.

    Like most smartwatches, the Descent boasts advanced connectivity features and long battery life.

    Garmin Descent Mk1, Watch-Sized Dive Computer with Surface GPS, Includes Fitness Features, Gray Sapphire...
    Garmin Descent Mk1, Watch-Sized Dive Computer with Surface GPS, Includes Fitness Features, Gray Sapphire...
      Check Amazon Price

      Main Advantages

      Garmin Mk1 close up shot
      • Dive computer allows you to monitor underwater performance and set safety levels that could potentially save your life.
      • The battery lasts for up to 19 days in watch mode and up to 10 days in smartwatch mode.
      • Advanced fitness tracking features and heart rate monitoring even underwater.
      • Easy smartphone connectivity through Garmin Connect.
      • Adjustable backlight settings and individual alarms.

      Main Disadvantages

      • Dive tracking and notifications are quite limited in apnea mode.
      • It doesn’t count arm strokes or fin kicks.
      • No tide information unless you connect to your smartphone.

      Descent Mk1 Competition

        Garmin
      Descent
      Mk1
      Garmin
      Fenix 5X
      Garmin
      Quatix 5
      Samsung
      Galaxy
      Watch
      Display size 51 x 51 x
      17.8 mm
      51 x 51 x
      17.5 mm
      47 x 47 x
      15.5 mm
      46 x 49 x 13 mm
      Display type Sapphire
      crystal
      Domed
      sapphire
      crystal
      Sapphire
      crystal
      Corning
      Gorilla
      Glass DX+
      Resolution 240 x 240
      pixels
      240 x 240
      pixels
      240 x 240
      pixels
      360 x 360
      pixels
      Weight 94 g 98 g 85 g 46 g
      Band
      material
      Silicone or
      titanium
      Silicone or
      steel
      Silicone ormetal Silicone
      Water
      resistance
      10 ATM (EN13319 compliant) 10 ATM 10 ATM 5 ATM
      Connectivity Bluetooth Smart, ANT+, Wi-Fi Bluetooth Smart, ANT+, Wi-Fi Bluetooth Smart, ANT+, Wi-Fi 3G/LTE, Bluetooth, Wi-Fi, NFC
      GPS Yes Yes Yes Yes
      Diving
      features
      Yes No No No
      Boating
      features
      No No Yes No
      Smart
      notifications
      Yes Yes Yes Yes
      Sleep
      tracking
      Yes Yes Yes Yes
      Heart
      rate
      monitoring
      Yes Yes Yes Yes
      Multi-sport profiles Yes Yes Yes Yes
      Battery
      life
      Up to 19
      days
      Up to 12 days Up to 14 days Up to 14 days
      Freediver surfaces after deep dive wearing Garmin Descent Mk1
      Freediver Aldric Suan surfaces after deep dive
      Image Credit: Niccolo Stevens

      How We Tested

      Finding the best diving spot is not always easy; that’s why we tested the Descent Mk1  at the NEMO33 facility in Brussels, aka the deepest indoor swimming pool in the world.

      The dive computer performed wonderfully underwater, except for the slight drawbacks highlighted above.

      Regarding its fitness tracker capability, battery, and smartwatch functions, we tested by wearing it uninterruptedly until the battery died. While the battery doesn’t really last for 19 days, it still delivers two weeks of runtime on watch mode.

      Summary

      Garmin Mk2 and Garmin Descent G1 tested on the waters
      Garmin Mk2 and Garmin Descent G1 tested on the waters

      Garmin Descent Mk1 is a surprising all-rounder that serves all onshore and underwater purposes. The manufacturer could incorporate more boating functions, given the nautical nature of the smartwatch.

      It’s ideal for swimmers, divers, and anyone else looking for a truly waterproof timepiece. Undoubtedly, real value for money.

      Roxana Bikfalvi
      Roxana Bikfalvi( Editor )

      A degree-qualified professional writer with extensive experience in copy writing. Expert in product description, reviews, editing and proofreading. Also a bilingual expert in Italian and Romanian where she is originally from.

      A wealth of experience in IT and technology, and also a wordpress expert.

      Notice: Qualifying purchases through links may support us with commission. Read our editorial policy.
      August 19, 2019 By Roxana Bikfalvi Filed Under: Diving, Fitness & Sports Watches, Reviews

      You are here: Superwatches > Diving > Garmin Descent Mk1 – A Smartwatch for Divers

      Reader Interactions

      Comments

      1. Niki says

        December 5, 2020 at 7:58 am

        Does this watch include me as a bystander track the location of the diver underwater standing on the shore line?
        For example if someone was to go for a dive – the person can send a life gps tracking of their activity underwater – this is merely for safety purposes.

        • Emma Morris says

          December 7, 2020 at 11:12 am

          Hi Niki, thank you for your question.

          I didn’t know the answer to this so had a look through the watch user manual and can not find any mention of the watch being able to do this. I would recommend contacting Garmin directly to ask them. Apologies I couldn’t give you a more specific answer.

          Many thanks, Emma

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