Designed for divers and adventurers alike, the Garmin Descent G2 combines cutting-edge dive technology with smartwatch functionality in a sleek, eco-conscious design. Featuring a vibrant 1.2-inch AMOLED display, this rugged dive computer supports multiple dive modes, surface GNSS tracking, and advanced health monitoring — all in a compact watch-style format. Crafted with recycled ocean-bound plastics and built to endure up to 10 ATM pressure, it's engineered for both underwater exploration and everyday activity.
With up to 10 days of battery life in smartwatch mode, the Descent G2 is ideal for long expeditions and daily wear. From tracking your daily wellness stats like heart rate, Pulse Ox, hydration, and sleep, to supporting over 100 sports apps and customizable workouts, this smartwatch does more than just dive. Seamlessly connect with your smartphone to receive smart notifications, log dive data, or make contactless payments. Whether in the water or on land, the Descent G2 is ready to support every aspect of your lifestyle.
Key Features:
Brilliant AMOLED Display: The 1.2" screen offers exceptional clarity underwater and on land, protected by a durable sapphire lens and leakproof buttons.
Extended Battery Life: Lasts up to 10 days in smartwatch mode, minimizing the need for frequent recharging during trips.
Eco-Conscious Build: Housing, bezel, and buttons are made from 100% recycled ocean-bound plastics, reducing environmental impact.
Diving Modes & Surface GNSS: Tracks recreational, technical, and freedives, and marks entry/exit points using surface GPS positioning.
Health & Wellness Monitoring: Monitors heart rate, HRV, sleep, stress, respiration, and includes Pulse Ox and women’s health tracking.
Multi-Sport & Fitness Tools: Offers HIIT tracking, Garmin Coach, workout creation, VO2 Max, altitude acclimation, and over 100 sports apps.
Connectivity & Safety: Features smart notifications, Garmin Pay™, safety alerts, and access to the Connect IQ™ Store for customization.
Sleep score and insights
Battery life: up to 10 days (smartwatch mode), 4 days with always-on display
Pulse Ox blood oxygen monitoring: spot-check, during sleep, all-day tracking
Garmin Pay™ contactless payments
Training readiness and training status
Display type: AMOLED with touchscreen
Water rating: Dive (100 meters)
Strap material: Silicone
Lens material: Sapphire crystal
Bezel material: Fiber-reinforced ocean-bound plastic
Case material: Fiber-reinforced ocean-bound plastic
QuickFit® compatibility: Yes (22 mm)
Physical size: 45.5 x 45.5 x 15.2 mm
Silicone Band fits: 128–224 mm
Extra Long Silicone Band fits: 128–373 mm
Weight: 65 g (41 g case only)
Leakproof inductive buttons
Display size: 1.2" (30.4 mm) diameter
Display resolution: 390 x 390 pixels
Color display with large font option
Dive Mode: Up to 27 hours
Smartwatch Mode: Up to 10 days (4 days always-on)
Battery Saver Mode: Up to 12 days
GPS Only: Up to 20 hours
All Satellite Systems: Up to 15 hours
Max Battery GPS Mode: Up to 44 hours
Expedition GPS: Up to 10 days
Charging method: Garmin proprietary clip charger
Memory/History: 4 GB
Time/date, GPS Time Sync, automatic DST
Alarm, timer, stopwatch
Sunrise/sunset times
Wrist-based heart rate (constant)
Resting heart rate
Abnormal heart rate alerts (high and low)
Respiration rate, Fitness Age, Body Battery™
Stress tracking, relaxation reminders, breathwork
Sleep tracking with Sleep Coach and Nap Detection
Hydration tracking (via Garmin Connect™)
Women’s health tracking (cycle & pregnancy)
Health Snapshot
GPS, GLONASS, Galileo
Garmin Elevate™ heart rate monitor
Pulse Ox blood oxygen sensor
Barometric altimeter, compass, gyroscope
Accelerometer, thermometer, depth sensor
Connectivity: Bluetooth® Smart, ANT+®
Smart notifications (texts, calls, alerts)
Android only: Text response, image preview
Connect IQ™ Store: On-device apps, watch faces
Garmin Pay™
Weather, calendar, music controls
Morning Report, Find My Phone/Watch
Battery saver mode
Garmin Share, Red Shift mode
VIRB® remote, Garmin Messenger app compatibility
iPhone® & Android™ support
Daily suggested workouts: running, cycling, walking
Garmin Coach: Running, Cycling with expert & prebuilt plans
Cardio, strength, HIIT, yoga, pilates
On-screen workout animations and muscle maps
Gym: Strength, HIIT, cardio, indoor rowing, stair stepping
Multisport: Swimming/Running, Triathlon
Wellness: Yoga, Pilates, Walking
Running: Trail, treadmill, obstacle, virtual
Outdoor recreation: Hiking, climbing, hunting, golf, disc golf
Cycling: MTB, gravel, eBiking, indoor biking, BMX
Swimming: Pool, open water
Water sports: SUP, rowing, kayaking, surfing, snorkeling
Motor sports: Motorcycle, overlanding, ATV, snowmobiling
Racket sports: Tennis, pickleball, squash, padel
Winter sports: Skiing, snowboarding, ice skating, snowshoeing
Team sports: Soccer, basketball, hockey, rugby
Combat: Boxing, MMA
Other: Tactical, inline skating
Incident detection (select activities)
Assistance alert to phone
LiveTrack & Live Event Sharing
Dual grid coordinates
XERO™ Locations
Gaming activity profile
GameOn™ app compatible
Max depth: 100 meters
Single-gas, multi-gas, gauge, apnea, apnea hunt, pool apnea
Decompression: Bühlmann ZHL-16c with gradient factors
Supports air, nitrox, trimix up to 100% O2
CCR (Closed Circuit Rebreather) support
PO2: Up to 2.0 with customizable settings
Customizable safety stops, deep stops, ascent/descent indicators
Auto altitude adjustment, no-fly time
Dive planner, custom dive screens
Auto dive start/end with timeout options
Sync dive logs to Garmin Dive™ app
Tide data, entry/exit location logging
Alerts: ascent rate, PO2, CNS/OTU, gas switching
3-axis compass with heading & quick changes
Missed deco lockout, residual tissue loading reset
Surface diver status widget
Dive readiness indicator
Steps, move alerts, auto goal
Calories, floors, distance
Intensity minutes
Move IQ™, TrueUp™, Garmin Connect™ Challenges
Automatic rep counting
Custom data pages
Downloadable training plans
Course guidance
HR zones, alerts, %HR max, HRR
Recovery time, race glance, HRV status
HR broadcast via ANT+
Respiration during exercise (with accessory)
GPS speed/distance, interval training
Advanced workouts, customizable power modes
VO2 Max (run & trail), lactate threshold
Auto/multisport tracking
PacePro™, race predictor
Run/Walk/Stand detection
Foot pod compatible
GPS-based time, pace, distance
Running dynamics (vertical oscillation, ground contact, cadence)
Running power, grade-adjusted pace
Performance condition, stride length
Trail run auto climb
Distances to front/middle/back of green
Layups/doglegs, shot distance, digital scorecard
Stat tracking, AutoShot™, Auto CourseView
Green View with manual pin
Hazards and course targets
Round timer/odometer
CT10 compatible, Garmin Golf app support
Tournament legal
Navigation: Point-to-point, breadcrumb, TracBack®
UltraTrac™ mode, elevation profile, storm alert
Vertical speed, rest timer (ultra run), future elevation
GPS coordinates, Sight 'N Go, sun/moon info
Area calculation (via Connect IQ™)
Fish forecast, projected waypoint
Expedition GPS activity, tide glance
Course navigation
Lap power (with sensor), activity race
FTP (with accessory), MTB Grit & Flow
Advanced cycling dynamics
Compatible with Garmin Vector™, Rally™, Varia™ devices
Speed/cadence sensor support, power meter support
Open Water: Distance, pace, stroke count/rate, SWOLF, calories
Pool Swim: Lengths, pace, stroke count, rest timers, drills
Stroke type detection (freestyle, back, breast, butterfly)
Swim workouts, countdown start, auto rest
Underwater wrist heart rate
HRM compatibility for detailed stats (HRM-Tri, Swim, Pro, Pro Plus)
Conclusion:
The Garmin Descent G2 serves as a powerful tool for both diving enthusiasts and active lifestyle users, combining premium underwater features with holistic wellness tracking and everyday convenience. Its eco-friendly design, extended battery life, and high-performance functionality make it an all-in-one solution for those who demand more from their smartwatch.
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