Garmin Descent™ G1

Battery for days, up to 21 days in smartwatch mode to be exact. More battery means knowing more about your overall health and dive performance. A rugged dive-computer smartwatch that works with your phone. All your health, fitness and dive stats in one place — no subscription required. Featuring parts made with recycled ocean-bound plastics, this rugged solar charged dive computer and smartwatch was designed with environmental responsibility in mind. It comes with Garmin innovations to help make the most of your diving experience — plus multisport and smart features for your active life out of the water.

FEATURES

Dive Modes
Single-gas and multi-gas (including Nitrox/Trimix), Gauge, Apnea, Apnea Hunt and Closed-Circuit Rebreather (CCR) profiles for recreational and technical diving.

Surface Multi-GNSS
Use GPS, GLONASS and Galileo on the surface to mark dive entry and exit points and review them later.

Health & Wellness Monitoring
Includes wrist-based heart rate, Pulse Ox, stress tracking, Body Battery™ energy monitor and advanced sleep tracking to support recovery between dives.

Smart Notifications
Receive emails, texts and app alerts on your wrist when paired with a compatible smartphone.

Training & Sports
30+ built-in sports apps and training features for running, cycling, swimming, strength, HIIT, hiking and more — with performance metrics for everyday fitness.

Dive Log Sync
Store and review up to hundreds of dives and sync automatically to the Garmin Dive™ app for detailed logging and sharing.

Rugged Build
Engineered for endurance with a reinforced polymer case and sapphire lens; tested to MIL-STD-810 for thermal, shock and water resistance.

Water Rating
Rated to 10 ATM (100 metres) and compliant with EN 13319 dive equipment standards.

Battery Management
Multiple battery modes let you extend runtime with Max Battery GPS, Expedition and Battery Saver watch modes.

SPECIFICATIONS

Watch Display Type: Monochrome, sunlight-visible, transflective memory-in-pixel (MIP)

Touchscreen: No (five-button operation)

Water Rating:** 10 ATM (100 m) — EN 13319 compliant

Strap Material:** Silicone (QuickFit compatible)

Lens Material:** Sapphire crystal

Bezel / Case Material: Fiber-reinforced polymer

Quick Release Bands:** Yes (22 mm QuickFit)

Physical Size:** 45.5 × 45.5 × 15.2 mm

Fits Wrists:** Silicone band approx. 128 – 224 mm; optional extra-long band up to 373 mm

Weight: 61 g

Display Size:** Custom two-window design, 0.9″ × 0.9″ (23 × 23 mm)

Display Resolution:** 176 × 176 pixels

Battery Life:** Dive mode – up to 25 hours; Smartwatch mode – up to 21 days; GPS mode – up to 26 hours; Max Battery GPS – up to 56 hours; Expedition GPS – up to 27 days; Battery Saver watch mode – up to 48 days

Charging Interface:** Garmin proprietary charging/data cable

Memory / History:** On-device activity and dive log storage (typical up to 200 dives)

Clock Features:** Time/date, GPS time sync, automatic daylight saving time, alarm, timer, stopwatch, sunrise/sunset

Sensors: Wrist heart rate, Pulse Ox, barometric altimeter, 3-axis compass, gyroscope, accelerometer, thermometer, depth sensor (accurate 0–100 m)

Connectivity: Bluetooth®, ANT+®

Smartphone Compatibility:** iPhone®, Android™

Smart Features:** Notifications, calendar, weather, music control, Find My Phone/Watch, Garmin Connect™ compatibility

Health & Wellness Monitoring:** Continuous HR, resting HR, abnormal HR alerts, stress tracking, respiration rate, Body Battery™, advanced sleep metrics, hydration tracking, women’s health tracking

Activity Profiles:** Running (indoor/outdoor), cycling, swimming (pool/open-water), strength, HIIT, hiking, cardio and more

Activity Tracking Features:** Step counter, move alerts, auto goal, calories burned, floors climbed, intensity minutes, TrueUp™, Move IQ™

Training & Analysis Features:** Custom data pages, downloadable workouts, VO₂ Max (run), recovery time and load metrics (where supported)

Running Features:** GPS-based distance, time, pace; cadence via sensors; run/walk detection

Cycling Features:** Time, distance and HR alerts; supports ANT+/BLE speed and cadence sensors

Swimming Features:** Pool and open-water metrics (lengths, distance, pace, stroke count, SWOLF), underwater HR where supported

Golfing Features:** Not applicable on this model

Outdoor Recreation:** Back to Start, breadcrumb navigation, sun & moon information, barometric trend

Safety & Tracking Features:** Incident detection (select activities), LiveTrack, Assistance messaging (paired phone required)

Kid Activity Tracking:** Optional via Garmin Connect™ challenges

Battery Runtime (General Use):** Up to 21 days typical smartwatch use

Durability: Rugged design — swim-proof, shock- and temperature-resistant for harsh environments

In the Box:** Descent™ G1 watch, charging/data cable, documentation