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Descent™ Mk2

Descent™ Mk2

Stainless Steel w/ Black Band

OMR 520
OMR 505

Descent Mk2 is the watch-sized do-it-all dive computer with multiple dive modes, surface GPS for entry and exit points, and smartwatch capability.

Color: Black

THE DIVE COMPUTER FOR BOTH YOUR WORLDS

This is the advanced, watch-style dive computer that comes with multisport training and smart features. If you want air integration, take a look at Descent Mk2i.

DIVE MODES

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

CUSTOMISABLE DIVE MODES

Add additional screens for each dive mode that features the fields you want to see.

SURFACE MULTI-GNSS

Track your entry and exit1 points with advanced satellite connectivity.

DIVE LOG

Store and review data for up to 200 dives — and share via the Garmin Dive app.

INREACH® COMPATIBLE

Pair with inReach satellite communicators and the inReach dive case.

CONNECT IQ™ STORE

Download custom watch faces, add data fields, and get apps and widgets from the Connect IQ Store.

PERFORMANCE METRICS

View advanced training metrics that include running dynamics, heat- and altitude-adjusted VO2 max, recovery advisor and more2.

PACEPRO™ TECHNOLOGY

A first-of-its-kind feature helps keep you on pace with grade-adjusted guidance as you run a course.

SPORTS APPS

Use preloaded activity profiles for trail running, swimming, running, biking, hiking, rowing, skiing, golfing and more.

ANIMATED WORKOUTS

Easily follow animated workouts for cardio, strength, yoga and Pilates. View workouts right on your watch screen.

TOPOACTIVE EUROPE AND SKI MAPS

Use TopoActive Europe maps to navigate your adventures and view run names and difficulty ratings for 2,000 worldwide ski resorts.

ABC SURFACE SENSORS

Navigate your next trail with ABC sensors, including an altimeter for elevation data, barometer to monitor weather and 3-axis compass.

WRIST-BASED HEART RATE

Optical heart rate2 technology gauges activity intensity as well as heart rate variability to calculate your stress level. It also tracks underwater without a heart rate strap.

PULSE OX SENSOR

For altitude acclimation or sleep monitoring, a Pulse Ox3 sensor uses light beams at your wrist to gauge how well your body is absorbing oxygen.

ALL DAY RESPIRATION

Track how you’re breathing throughout the day, during sleep and during breathwork and activities such as yoga.

TURN-BY-TURN NAVIGATION

Follow a route or course with help from turn-by-turn directions, which let you know ahead of time when the next turn is coming.

ROUND-TRIP ROUTING

Enter a distance you want to travel, and get suggested routes that will bring you back to your starting point. Trendline™ popularity routing helps you find the best local paths.

SMART NOTIFICATIONS

Receive emails, texts and alerts right on your wrist when paired with a compatible device.

SAFETY AND TRACKING FEATURES

If you feel unsafe or if your watch senses an incident, assistance and incident detection features4 send your location to emergency services. Feature not available while in dive mode.

MUSIC

Store up to 2,000 songs, or access streaming music apps from your compatible services5, including Spotify®, Deezer and Amazon Music.

GARMIN PAY™ CONTACTLESS PAYMENTS

Breeze through checkout lines with Garmin Pay contactless payment solution6 through participating providers.

General

Lens material Sapphire crystal
Bezel material Stainless steel
Case material Fibre-reinforced polymer with metal rear cover
QuickFit watch band compatible Yes (26 mm)
Strap material Silicone
Physical size 52 x 52 x 17.8 mm
Colour display  
Display size 1.4” (35.56 mm) diameter
Display resolution 280 x 280 pixels
Display type Sunlight-visible, transflective memory-in-pixel (MIP)
Weight Silicone band: 103.8 g
Battery life Smartwatch: Up to 16 days
GPS: Up to 48 hours
GPS and Music: Up to 15 hours
Max Battery GPS Mode: Up to 96 hours
Dive mode: Up to 80 hours
Expedition GPS Activity: up to 35 days
Battery Saver Watch Mode: Up to 50 days
Water rating Dive (100 meters)
Memory/history 32 GB

Clock features

Time/date  
GPS time sync  
Automatic daylight saving time  
Alarm clock  
Timer  
Stopwatch  
Sunrise/sunset times  

Health monitoring

Wrist-based heart rate (constant, every second)  
Daily Resting Heart Rate  
Abnormal Heart Rate Alerts Yes (high and low)
Respiration rate (24x7)  
Pulse Ox Blood Oxygen Saturation Yes (spot-check, and optional all-day acclimation and in sleep)
Fitness age Yes (in app)
Body Battery™ Energy Monitor  
All-day stress tracking  
Relaxation reminders  
Relaxation breathing timer  
Sleep Yes (Advanced)
Hydration Yes (in Garmin Connect™)
Menstrual Cycle Yes (in Garmin Connect™)

Sensors

GPS  
GLONASS  
Galileo  
Garmin Elevate wrist heart rate monitor  
Barometric altimeter  
Compass  
Gyroscope  
Accelerometer  
Thermometer  
Depth sensor  
Pulse Ox Blood Oxygen Saturation Monitor Yes (with Acclimation)

Daily smart features

Connectivity Bluetooth® Smart, ANT+®, Wi-Fi®
Connect IQ (downloadable watch faces, data fields, widgets and apps)  
Smart Notifications  
Text response/reject phone call with text (Android™ only)  
Calendar  
Weather  
Battery Saver - customisable low power watch  
Controls smartphone music  
Plays and controls watch music  
Music storage Up to 2,000 songs
Find my phone  
Find my watch  
VIRB® camera remote  
Smartphone compatibility iPhone®, Android
Compatible with Garmin Connect Mobile  
Garmin Pay™  

Safety and Tracking Features

LiveTrack  
Group LiveTrack  
Live Event Sharing  
Incident Detection during select activities  
Assistance  

Tactical features

Dual grid coordinates  

Diving features

Dive activity maximum operating depth 100 metres
Single-gas mode  
Multi-gas mode  
Gauge mode  
APNOEA mode  
APNOEA hunt mode  
Decompression model Bühlmann ZHL-16c with gradient factors
Nitrox support  
Trimix support  
Closed Circuit Rebreather (CCR)  
Gas mixes Air, Nitrox and Trimix, up to 100% O2; 1 bottom gas and up to 11 deco and/or backup gasses.
PO2 Up to 2.0 with customisable deco PO2 setting
Auto start/end dive  
Custom end-dive timeout Yes (20s to 10 m)
Safety Stop Yes (customisable off/3min/5min)
Deep Stops Yes (using custom gradient factors)
Customisable conservatism Yes (low/medium/high or custom using gradient factors)
Dive ascent/descent rate indicator  
Automatic altitude adjustment  
No fly time Yes (with 24hr countdown)
Dive planner Yes (basic NDL + multi-gas deco planner)
Tides  
Backlight Yes (configurable time and intensity; auto-on at depth)
Automatically saves dive entry and exit locations  
Custom dive data screens  
Sync dive log to Garmin Dive™ Mobile app  
Alerts & alarms Audible and vibration alarms for ascent rate, PO2, CNS/OTU, NDL, deco, gas switching. Customisable (up to 40) audible and/or vibration per dive mode, based on depth or time
3-axis dive compass Yes (with adjustable heading, quick change to 90R, 90L and reciprocal). Indicates degrees and direction back to set heading
Missed Deco Lockout Yes (can be disabled prior to dive with user acknowledgement)
Residual Tissue Loading Reset Yes (on the surface with user acknowledgement)
Surface diver status widget Yes (surface interval, N2/HE loading, CNS, OTU and tissue compartment status)

Boating features

Available boating profiles Boating
Built-in barometer and tide tables  

Activity tracking features

Step counter  
Move bar (displays on device after a period of inactivity; walk for a couple of minutes to reset it)  
Auto goal (learns your activity level and assigns a daily step goal)  
Calories burned  
Floors climbed  
Distance travelled  
Intensity minutes  
TrueUp™  
Move IQ™  

Fitness equipment/gym

Available gym activity profiles Strength, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Pilates and Yoga
Cardio workouts  
Strength workouts  
Yoga workouts  
Pilates workouts  
On-screen workout animations  
Automatic rep counting  

Training, planning and analysis features

HR zones  
HR alerts  
HR calories  
% HR max  
% HRR  
Recovery time  
Auto max HR  
HRV stress test (measures your heart rate variability while standing still, for 3 minutes, to provide you with an estimated stress level; the scale of this is 1 to 100; low scores indicate lower stress levels) Yes (with compatible accessory)
HR broadcast (broadcasts HR data over ANT+ to paired devices)  
Respiration rate (during exercise) Yes (with compatible accessory)
GPS speed and distance  
Customisable screen(s)  
Customisable activity profiles  
Auto Pause®  
Interval training  
Advanced workouts  
Downloadable training plans  
Power Modes - customisable in-activity battery settings  
Auto Lap®  
Manual lap  
Configurable lap alerts  
Heat and altitude acclimation  
VO2 max  
Training status (lets you see if you’re training effectively by tracking your training history and fitness level trend)  
Training load (your total training load for the last 7 days calculated from estimated EPOC)  
Training load focus  
Training effect (aerobic)  
Training effect (anaerobic)  
Primary benefit (Training Effect labels)  
Customisable alerts  
Audio prompts  
Finish time  
Virtual partner  
Race an activity  
Auto multisport activities  
Multi-sport  
Course guidance  
Garmin Live Segments  
Strava Live Segments  
Round-trip course creator (running/cycling)  
Trendline™ popularity routing Yes (available as a wearable map theme)
Touch and/or button lock  
Hot keys  
Auto scroll  
Activity history on watch  
Physio TrueUp  

Running features

Available run profiles Running, Treadmill Running, Indoor Track Running, Trail Running
GPS-based distance, time and pace  
Running dynamics Yes (with compatible accessory)
Vertical oscillation and ratio (the degree of 'bounce' in your running motion and the cost-benefit ratio with stride length) Yes (with compatible accessory)
Ground contact time and balance (shows how much time, in the running motion, your foot is on the ground rather than in flight and lets you check your running symmetry) Yes (with compatible accessory)
Stride length (real time) Yes (with compatible accessory)
Cadence (provides real-time number of steps per minute)  
Performance condition (after running 6–20 minutes, compares your real-time condition to your average fitness level)  
Lactate threshold (through analysis of your pace and heart rate, estimates the point where your muscles start to rapidly fatigue) Yes (with compatible accessory)
PacePro™ Pacing Strategies  
Run workouts  
Race predictor  
Foot pod capable  

Golfing features

Preloaded with 42,000 courses worldwide  
Yardage to F/M/B (distance to front, middle and back of green)  
Yardage to layups/doglegs  
Measures shot distance (calculates exact yardage for shots from anywhere on course) Automatic
Digital scorecard  
Custom targets  
Stat tracking (strokes, putts per round, greens and fairways hit)  
Garmin AutoShot™  
Full vector map  
Auto CourseView updates  
Green View with manual pin position  
Hazards and course targets  
PinPointer  
PlaysLike distance  
Handicap scoring  
TruSwing™ compatible  
Round timer/odometer  
Automatic club tracking compatible (requires accessory)  

Outdoor recreation

Available outdoor recreation profiles Hiking, Climbing, Mountain Biking, Skiing, Snowboarding, XC Skiing, Stand Up Paddleboarding, Rowing, Kayaking, Jumpmaster, Tactical
Point-to-point navigation  
Breadcrumb trail in real time  
Back to start  
TracBack®  
UltraTrac mode  
Around Me mode  
Elevation profile  
Distance to destination  
Barometric trend indicator with storm alert  
ClimbPro™ ascent planner  
Trail run auto climb  
Vertical speed  
Total ascent/descent  
Future elevation plot  
Preloaded TopoActive Europe maps  
Preloaded road and trail maps  
Preloaded ski resort maps  
Downloadable cartography support  
Compatible with BaseCamp™  
GPS coordinates  
Sight 'N Go  
Area calculation Yes (via Connect IQ™)
Hunt/fish calendar Yes (via Connect IQ™)
Projected waypoint  
Sun and moon information Yes (via Connect IQ™)
XERO Locations  
Expedition GPS Activity  
Tides  

Cycling features

Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories)  
Courses  
Garmin cycle map (routable cycling-specific street map)  
MTB Grit & Flow  
Available cycling profiles Biking, Indoor Biking, Mountain Biking, Triathlon
Bike lap and lap maximum power (with power sensor)  
Race an activity  
FTP (Functional threshold power) Yes (with compatible accessory)
Compatible with Vector™ (power meter)  
Power meter compatible  
Advanced Vector support  
Compatible with Varia Vision™ (head-mounted display)  
Compatible with Varia™ radar (rear-facing radar)  
Compatible with Varia™ lights  
Speed and cadence sensor support Yes (ANT+® and Bluetooth® Smart sensors)

Swimming Features

Available swim profiles Pool Swimming, Open Water Swimming, Swimming/Running
Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories)  
Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories)  
Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only)  
Drill logging (pool swim only)  
Basic rest timer (up from 0) (pool swim only)  
"Repeat on" rest timer  
Auto rest (pool swim only)  
Time and distance alerts  
Pacing alerts (pool swim only)  
Countdown start  
Pool swim workouts  
Critical swim speed  
Underwater wrist-based heart rate  
Heart rate from external HRM (real-time during rests, interval and session stats during rests, and automatic heart rate download post-swim) Yes (with HRM-Tri and HRM-Swim)

Kid activity tracking features

Toe-to-Toe™ Challenges app Yes (optional Connect IQ app)
  • Descent Mk2, stainless steel with black band
  • Black extra-long adjustment strap
  • Charging/data cable
  • Documentation

QuickFit® 26 Watch Bands

Amp Yellow Silicone

OMR 25

 


QuickFit® 26 Watch Bands

Black Silicone

OMR 25

 


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