Explore deeper with the Garmin Descent Dive Smartwatch, a premium dive computer and multisport GPS smartwatch designed for serious underwater adventures. Available in 43 mm and 51 mm case sizes, it combines advanced scuba and apnea dive features with GPS navigation, comprehensive health monitoring, multisport training and smart connectivity.
Choose between the Descent Mk3 and Descent Mk3i to match your diving needs. Both models provide advanced dive planning, multiple dive modes, dive logs and surface navigation, while the Mk3i adds SubWave™ sonar technology for compatible air integration and underwater diver-to-diver communication.
Key Features
Premium dive computer and GPS multisport smartwatch
Available in 43 mm and 51 mm case sizes
Bright AMOLED touchscreen display
Durable construction designed for demanding dive environments
40-meter dive rating
Scuba and apnea dive modes
Single-Gas, Multi-Gas, Gauge, Apnea, Apnea Hunt and CCR dive modes
Nitrox and trimix support on supported dive modes
Customizable dive modes and data screens
Dive planner for calculating no-decompression limits and planning dives
No-fly time and surface interval information
Dive log for reviewing and storing dive data
GPS surface navigation to mark entry and exit points
Multi-band GPS with SatIQ™ technology
3-axis compass for underwater and surface navigation
Barometric altimeter and barometer
Built-in LED flashlight on supported models
Wrist-based heart rate monitoring
Pulse Ox blood oxygen monitoring
Body Battery™ energy monitoring
Stress tracking and Health Snapshot™
HRV Status and recovery insights
Sleep tracking and Sleep Coach
Training Readiness and Training Status
VO2 max and recovery time
Daily Suggested Workouts
Garmin Coach adaptive training plans
Multiple built-in sports and activity profiles
Surf, swim, running, cycling, hiking and strength-training profiles
Garmin Pay™ contactless payments
Smart notifications when paired with a compatible smartphone
Phone-free music storage and playback on supported models
Connect IQ™ Store for additional apps and watch faces
Garmin Connect™ app for health, fitness and dive data
Safety and tracking features
Descent Mk3 Features
Advanced dive computer capabilities in a smartwatch design
AMOLED touchscreen display
Multiple scuba and apnea dive modes
Dive planning and no-decompression calculations
GPS-enabled surface navigation
Dive log with detailed dive information
Customizable dive data screens
Dive compass and underwater navigation tools
Air integration available with compatible accessories
Descent Mk3i Features
All major Descent Mk3 dive and smartwatch capabilities
SubWave™ sonar technology for underwater connectivity
Compatible with Garmin Descent T2 Transceiver
Air integration for monitoring tank pressure and gas consumption
Underwater diver-to-diver communication with compatible SubWave devices
Diver location and tank pressure information on compatible setups
Supports monitoring multiple divers when paired with compatible equipment
Specifications
Case Sizes: 43 mm and 51 mm
Display: AMOLED touchscreen
Dive Rating: 40 meters
Dive Modes: Scuba, apnea and multiple specialized dive configurations
Connectivity: Bluetooth®, ANT+® and Wi-Fi® on supported models
Smart Features: Notifications, Garmin Pay, Connect IQ and Garmin Connect
Music: Phone-free music storage and playback on supported models
Smartphone Compatibility: iPhone® and Android™
Dive Connectivity: SubWave™ sonar on Descent Mk3i
Air Integration: Compatible with Garmin Descent T2 Transceiver on Descent Mk3i
Health Features: Heart rate, Pulse Ox, Body Battery, stress, sleep, HRV Status and Health Snapshot
Training Features: VO2 max, Training Readiness, Training Status, recovery time and Daily Suggested Workouts
Available Versions
Descent Mk3 – 43 mm — Compact dive smartwatch with advanced scuba and apnea capabilities, AMOLED display, GPS navigation and comprehensive multisport features.
Descent Mk3 – 51 mm — Larger Descent dive smartwatch with an extended battery and advanced dive computer functionality.
Descent Mk3i – 43 mm — Advanced dive smartwatch with SubWave™ sonar connectivity and compatible air integration capabilities.
Descent Mk3i – 51 mm — Larger Mk3i model with SubWave™ sonar, air integration and advanced underwater communication features.
Built for Your Next Dive
The Garmin Descent Dive Smartwatch is built for divers who want advanced underwater capability without giving up the convenience of a premium multisport smartwatch. From scuba and apnea diving to surface navigation, fitness training and everyday health tracking, the Descent Mk3 and Mk3i deliver powerful tools for exploring below the surface and staying connected above it.
