Garmin Descent Mk3i 51mm Silver & Black PVD Titanium & Black/Pebble Grey Silicone Band

Description

Take your underwater adventures further with the Garmin Descent Mk3i 51mm, a premium dive computer and multisport GPS smartwatch designed for serious divers, explorers and athletes. Combining cutting-edge diving technology with advanced health monitoring, navigation tools and everyday smart features, the Descent Mk3i delivers exceptional performance both below and above the surface.

Featuring a rugged silver and black PVD titanium case, sapphire crystal lens and comfortable black/pebble grey silicone band, this dive-focused smartwatch is built to withstand the most demanding environments while maintaining a premium look and feel.

Advanced SubWave™ Sonar Diver Communication

Experience a new level of underwater connectivity with Garmin's revolutionary SubWave™ sonar networking technology. Exchange preset diver-to-diver messages at distances of up to 30 metres and monitor tank pressure, depth and vital dive information for up to eight divers within a 10-metre range when paired with compatible Descent™ T2 transceivers.

This advanced communication system enhances team awareness, coordination and safety during every dive.

Dive with Confidence

The Descent Mk3i supports a comprehensive range of diving activities, including:

  • Single Gas Diving
  • Multi-Gas Diving
  • Nitrox Diving
  • Trimix Diving
  • Closed-Circuit Rebreather (CCR)
  • Gauge Mode
  • Apnea
  • Apnea Hunt
  • Freediving

Customisable dive screens allow you to personalise the information displayed, while Big Numbers Mode provides enhanced readability for critical dive data.

The built-in dive compass, surface GPS tracking and ABC sensors ensure reliable navigation throughout your dive journey.

Dive Readiness & Enhanced Safety Features

The innovative Dive Readiness Tool analyses lifestyle factors including sleep, exercise, stress levels and jet lag to help determine your preparedness for diving.

Additional dive safety features include:

  • NDL Aware™ Depth Metrics
  • Post-Dive Activity Guidance
  • Sidemount Tank Switch Guidance
  • Surface GPS Entry & Exit Tracking
  • Tide Information
  • Reference Point Navigation
  • Variometer for Freediving

These intelligent tools help improve situational awareness and support safer dive planning.

Explore with DiveView™ Maps

Discover new dive locations with preloaded DiveView™ colour maps featuring bathymetric depth contours and over 4,000 worldwide dive sites. Stay orientated both underwater and on land with advanced mapping and navigation capabilities.

Additional navigation features include:

  • Multi-Band GPS
  • SatIQ™ Technology
  • Worldwide TopoActive Maps
  • SkiView™ Resort Maps
  • Turn-by-Turn Directions
  • PacePro™ Guidance
  • Round-Trip Routing
  • Altimeter, Barometer and Electronic Compass

Brilliant AMOLED Display & Dive-Focused Design

Built for extreme underwater environments, the Descent Mk3i features:

  • Bright 1.4-inch AMOLED Colour Display
  • Sapphire Crystal Lens
  • Silver & Black PVD Titanium Bezel
  • Leakproof Metal Inductive Buttons
  • 200 Metre Dive Rating
  • Lume Mode for Low-Light Visibility
  • Black/Pebble Grey Silicone Dive Band

Its robust construction and exceptional display clarity ensure visibility and reliability wherever your adventures take you.

Built-In LED Flashlight

A powerful integrated LED flashlight provides adjustable brightness levels and strobe modes, making it ideal for night dives, low-light conditions and everyday use.

Exceptional Battery Performance

Stay active for longer with impressive battery life:

  • Up to 66 Hours in Dive Mode
  • Up to 25 Days in Smartwatch Mode

Whether embarking on multi-day diving trips or extended outdoor adventures, the Descent Mk3i is ready to keep pace.

Advanced Health & Fitness Tracking

Beyond diving, the Descent Mk3i offers Garmin's most advanced wellness and performance monitoring features, including:

  • Wrist-Based Heart Rate Monitoring
  • Pulse Ox Sensor
  • Sleep Monitoring & Sleep Score
  • Breathing Variations Tracking
  • VO2 Max
  • Endurance Score
  • Hill Score
  • Recovery Time Advisor
  • Daily Suggested Workouts
  • Garmin Coach Training Plans
  • Jet Lag Adviser
  • Lifestyle Logging

Gain valuable insights into your health, recovery and overall fitness performance.

Multi-Sport Performance Features

Track a wide range of activities with dedicated sports profiles including:

  • Running
  • Trail Running
  • Swimming
  • Cycling
  • Hiking
  • Rowing
  • Golf
  • Surfing
  • Skiing
  • Snowboarding
  • Strength Training
  • Yoga
  • Pilates

Surf enthusiasts can also access Surfline® Sessions technology and detailed surf condition data directly from their wrist.

Smart Features for Everyday Life

The Descent Mk3i seamlessly transitions from dive computer to premium smartwatch with features including:

  • Smart Notifications
  • Garmin Pay™ Contactless Payments
  • Offline Music Storage
  • Spotify®, Amazon Music, Deezer & YouTube Music Compatibility
  • Connect IQ™ App Store Access
  • Incident Detection & Safety Tracking
  • inReach® Satellite Device Compatibility

Stay connected, entertained and informed wherever life takes you.

Key Features

  • SubWave™ Sonar-Based Diver Messaging
  • Air Integration & Diver Monitoring
  • Dive Readiness Assessment Tool
  • DiveView™ Maps with 4,000+ Dive Sites
  • Multiple Dive Modes Including Nitrox & Trimix
  • AMOLED Display with Sapphire Lens
  • 200m Dive-Rated Titanium Construction
  • Built-In LED Flashlight
  • Up to 66 Hours Battery Life in Dive Mode
  • Surface GPS & Multi-Band GNSS Support
  • Advanced Health & Fitness Monitoring
  • Garmin Pay™ Contactless Payments
  • Music Storage & Streaming Compatibility
  • Smart Notifications
  • Garmin Dive™ App Integration

The Garmin Descent Mk3i 51mm Silver & Black PVD Titanium Dive Computer Smartwatch is the ultimate companion for divers, adventurers and athletes, combining groundbreaking underwater technology with Garmin's most advanced navigation, fitness and smartwatch capabilities.

Garmin Descent Mk3i 51mm Silver & Black PVD Titanium & Black/Pebble Grey Silicone Band

Product form
Free pickup in our shop(s)

£1,399.99 £1,259.99

      Barcode: 16881996

      • Expert Support
      • Fast UK Shipping
      • 30 Day Returns
        Delivery Information

      At UbaScuba, we aim to deliver your order quickly, safely, and reliably. Every parcel is handled with care to ensure your equipment arrives in perfect condition and ready for your next dive.

      Standard Tracked Delivery – FREE (£4.99 on orders under £100)

      • Dispatch Time: Within 2 working days
      • Estimated Arrival: 3 working days after dispatch
      • Tracking: Fully trackable with email confirmation upon shipment

      Extended Tracked Delivery – FREE (£4.99 on orders under £100)

      • Dispatch Time: Within 10 working days
      • Estimated Arrival: 3 working days after dispatch
      • Tracking: Fully trackable with email confirmation upon shipment

      Click & Collect – FREE

      Prefer to collect your order? Select Click & Collect at checkout. You’ll receive an email as soon as your order is ready for collection.

      Collection Address:
      UbaScuba
      Unit 4 Victoria Works
      Hempshaw Lane
      Stockport
      SK1 4LG
        Do you need help? Contact us

      Available on working days between 9:00 am to 4:00 pm.

      Send us a message!

      Description

      Take your underwater adventures further with the Garmin Descent Mk3i 51mm, a premium dive computer and multisport GPS smartwatch designed for serious divers, explorers and athletes. Combining cutting-edge diving technology with advanced health monitoring, navigation tools and everyday smart features, the Descent Mk3i delivers exceptional performance both below and above the surface.

      Featuring a rugged silver and black PVD titanium case, sapphire crystal lens and comfortable black/pebble grey silicone band, this dive-focused smartwatch is built to withstand the most demanding environments while maintaining a premium look and feel.

      Advanced SubWave™ Sonar Diver Communication

      Experience a new level of underwater connectivity with Garmin's revolutionary SubWave™ sonar networking technology. Exchange preset diver-to-diver messages at distances of up to 30 metres and monitor tank pressure, depth and vital dive information for up to eight divers within a 10-metre range when paired with compatible Descent™ T2 transceivers.

      This advanced communication system enhances team awareness, coordination and safety during every dive.

      Dive with Confidence

      The Descent Mk3i supports a comprehensive range of diving activities, including:

      • Single Gas Diving
      • Multi-Gas Diving
      • Nitrox Diving
      • Trimix Diving
      • Closed-Circuit Rebreather (CCR)
      • Gauge Mode
      • Apnea
      • Apnea Hunt
      • Freediving

      Customisable dive screens allow you to personalise the information displayed, while Big Numbers Mode provides enhanced readability for critical dive data.

      The built-in dive compass, surface GPS tracking and ABC sensors ensure reliable navigation throughout your dive journey.

      Dive Readiness & Enhanced Safety Features

      The innovative Dive Readiness Tool analyses lifestyle factors including sleep, exercise, stress levels and jet lag to help determine your preparedness for diving.

      Additional dive safety features include:

      • NDL Aware™ Depth Metrics
      • Post-Dive Activity Guidance
      • Sidemount Tank Switch Guidance
      • Surface GPS Entry & Exit Tracking
      • Tide Information
      • Reference Point Navigation
      • Variometer for Freediving

      These intelligent tools help improve situational awareness and support safer dive planning.

      Explore with DiveView™ Maps

      Discover new dive locations with preloaded DiveView™ colour maps featuring bathymetric depth contours and over 4,000 worldwide dive sites. Stay orientated both underwater and on land with advanced mapping and navigation capabilities.

      Additional navigation features include:

      • Multi-Band GPS
      • SatIQ™ Technology
      • Worldwide TopoActive Maps
      • SkiView™ Resort Maps
      • Turn-by-Turn Directions
      • PacePro™ Guidance
      • Round-Trip Routing
      • Altimeter, Barometer and Electronic Compass

      Brilliant AMOLED Display & Dive-Focused Design

      Built for extreme underwater environments, the Descent Mk3i features:

      • Bright 1.4-inch AMOLED Colour Display
      • Sapphire Crystal Lens
      • Silver & Black PVD Titanium Bezel
      • Leakproof Metal Inductive Buttons
      • 200 Metre Dive Rating
      • Lume Mode for Low-Light Visibility
      • Black/Pebble Grey Silicone Dive Band

      Its robust construction and exceptional display clarity ensure visibility and reliability wherever your adventures take you.

      Built-In LED Flashlight

      A powerful integrated LED flashlight provides adjustable brightness levels and strobe modes, making it ideal for night dives, low-light conditions and everyday use.

      Exceptional Battery Performance

      Stay active for longer with impressive battery life:

      • Up to 66 Hours in Dive Mode
      • Up to 25 Days in Smartwatch Mode

      Whether embarking on multi-day diving trips or extended outdoor adventures, the Descent Mk3i is ready to keep pace.

      Advanced Health & Fitness Tracking

      Beyond diving, the Descent Mk3i offers Garmin's most advanced wellness and performance monitoring features, including:

      • Wrist-Based Heart Rate Monitoring
      • Pulse Ox Sensor
      • Sleep Monitoring & Sleep Score
      • Breathing Variations Tracking
      • VO2 Max
      • Endurance Score
      • Hill Score
      • Recovery Time Advisor
      • Daily Suggested Workouts
      • Garmin Coach Training Plans
      • Jet Lag Adviser
      • Lifestyle Logging

      Gain valuable insights into your health, recovery and overall fitness performance.

      Multi-Sport Performance Features

      Track a wide range of activities with dedicated sports profiles including:

      • Running
      • Trail Running
      • Swimming
      • Cycling
      • Hiking
      • Rowing
      • Golf
      • Surfing
      • Skiing
      • Snowboarding
      • Strength Training
      • Yoga
      • Pilates

      Surf enthusiasts can also access Surfline® Sessions technology and detailed surf condition data directly from their wrist.

      Smart Features for Everyday Life

      The Descent Mk3i seamlessly transitions from dive computer to premium smartwatch with features including:

      • Smart Notifications
      • Garmin Pay™ Contactless Payments
      • Offline Music Storage
      • Spotify®, Amazon Music, Deezer & YouTube Music Compatibility
      • Connect IQ™ App Store Access
      • Incident Detection & Safety Tracking
      • inReach® Satellite Device Compatibility

      Stay connected, entertained and informed wherever life takes you.

      Key Features

      • SubWave™ Sonar-Based Diver Messaging
      • Air Integration & Diver Monitoring
      • Dive Readiness Assessment Tool
      • DiveView™ Maps with 4,000+ Dive Sites
      • Multiple Dive Modes Including Nitrox & Trimix
      • AMOLED Display with Sapphire Lens
      • 200m Dive-Rated Titanium Construction
      • Built-In LED Flashlight
      • Up to 66 Hours Battery Life in Dive Mode
      • Surface GPS & Multi-Band GNSS Support
      • Advanced Health & Fitness Monitoring
      • Garmin Pay™ Contactless Payments
      • Music Storage & Streaming Compatibility
      • Smart Notifications
      • Garmin Dive™ App Integration

      The Garmin Descent Mk3i 51mm Silver & Black PVD Titanium Dive Computer Smartwatch is the ultimate companion for divers, adventurers and athletes, combining groundbreaking underwater technology with Garmin's most advanced navigation, fitness and smartwatch capabilities.

      Why choose us?

      • Collect in store

        Customers can conveniently collect their purchase from our Stockport store. Our Stockport store offers a hassle-free pick-up option for you to retrieve your purchase at your convenience.

      • Quality products

        All our products are top quality, UK approved and safety tested. We pride ourselves on offering top-tier products that have been approved and tested for safety in the UK.

      • Authenticity Guaranteed

        We work closely with respected global brands and manufacturers to certify each product is 100% genuine and designed for superior performance.

      • Professional support

        With years of customer experience, our team is here to help with any issues. Rely on our knowledgeable team, who bring years of experience to assist you.

      • <h2>Run By Divers, For Divers</h2>

        Run By Divers, For Divers

        At UbaScuba we are passionate divers committed to providing you with the best gear to explore the underwater world.

        Our expert team is here to help with good, honest advice.

      • scuba diving getting ready

        50 Years Experience

        Our team has over 50 years combined diving experience. With a combined diving expertise exceeding five decades, our team is well-equipped to assist you

      • <h2>Fast & Reliable Delivery</h2>

        Fast & Reliable Delivery

        Products shipped quickly from our Stockport store, so you receive quickly and convienently. Benefit from expedited shipping from our Stockport store, guaranteeing a fast and hassle-free delivery to your doorstep.

      FAQ's

      I’m new to diving — can you help me choose the right gear?

      Absolutely! Our team includes experienced divers who can guide you in choosing the best equipment for your experience level and type of diving. Get in touch — we’re always happy to help.

      How do I place an order?

      You can order directly through our website by adding items to your basket and proceeding to checkout. Once your order is confirmed, you’ll receive an email confirmation with your order details.

      What payment methods do you accept?

      We accept all major debit and credit cards, Klarna and PayPal. All transactions are processed securely to protect your personal information.

      Do you offer Click & Collect?

      Yes — Click & Collect is available free of charge from our Stockport store:
      UbaScuba, Unit 4 Victoria Works, Hempshaw Lane, Stockport, SK1 4LG.

      Do you deliver internationally?

      At present, UbaScuba delivers within the UK only. We are exploring international shipping options for the future.

      Do your products come with a warranty?

      Most of our items include a manufacturer’s warranty. Please refer to individual product listings for details or contact us for specific warranty information.

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