Description
ANSWER THE OCEAN’S CALL
The Descent X30 dive computer features a vibrant 2.4-inch display and a housing and bezel made with recycled ocean-bound plastics. With four large metal buttons, up to 30 hours of battery life and support for multiple dive profiles, it’s perfect for your next dive.
2.4-INCH VIBRANT COLOR DISPLAY
RUGGED DESIGN IS 10 ATM DIVE-RATED
4 LARGE, EASY-TO-USE LEAKPROOF BUTTONS
CHOOSE FROM MULTIPLE DIVE PROFILES
MARK ENTRY AND EXIT POINTS WITH SURFACE GPS
DIVE LONGER WITH NDL AWARE™ DEPTH METRICS
WHAT YOU’LL LOVE
DYNAMIC DEPTH CHART
See your depth history during a dive, and get a clear understanding of where you have been and how it affects your decompression plan to help guide your ascent.
DIVE BANDS
The comfortable and durable hinged silicone dive band fits easily over your wetsuit. Descent X30 is also compatible with 26 mm QuickFit® bands, including the bungee mount.
DIVE LOG
Store and review data for all your dives — and share via the Garmin Dive™ app.
GARMIN DIVE APP
Pair the app with your Garmin Descent dive computer to automatically sync and upload your dive logs.
WATER THERMOMETER
Find the thermocline with the onboard water temperature sensor.
FOR THE DIVE OF YOUR LIFE
WHAT YOU’LL LOVE
| DISPLAY TYPE | LCD |
| WATER RATING | Dive (100 meters) |
General
| STRAP MATERIAL | Silicone |
| LENS MATERIAL | Chemically strengthened glass |
| BEZEL MATERIAL | Fiber-reinforced polymer |
| CASE MATERIAL | Fiber-reinforced polymer |
| QUICKFIT® WATCH BAND COMPATIBLE | Yes (26 mm) |
| PHYSICAL SIZE | 78.7 x 61.8 x 24.7 mm Silicone band: 140–360 mm |
| WEIGHT | No bands: 160 g With bands: 198.2 g |
| LEAKPROOF INDUCTIVE BUTTONS | ✔ |
| DISPLAY SIZE | 2.4″ diagonal |
| DISPLAY RESOLUTION | 320 x 240 pixels RGB |
| COLOR DISPLAY | ✔ |
| LARGE FONT OPTION | ✔ |
| BATTERY TYPE | Lithium ion |
| BATTERY LIFE | Medium brightness (default): 30 hours High brightness: 10 hours Night dive: 47 hours |
| CHARGING METHOD | Garmin proprietary clip charger |
| MEMORY/HISTORY | 4 GB |
Sensors
| GPS | ✔ |
| GLONASS | ✔ |
| GALILEO | ✔ |
| COMPASS | ✔ |
| GYROSCOPE | ✔ |
| ACCELEROMETER | ✔ |
| THERMOMETER | ✔ |
| AMBIENT LIGHT SENSOR | ✔ |
| DEPTH SENSOR | ✔ |
Connectivity
| CONNECTIVITY | Bluetooth®, ANT+® |
| SMART NOTIFICATIONS | ✔ |
| WEATHER FORECASTS | ✔ |
| SMARTPHONE COMPATIBILITY | iPhone®, Android™ |
Dive Features
| DECOMPRESSION MODEL | Bühlmann ZHL-16c with gradient factors |
| NITROX SUPPORT | ✔ |
| TRIMIX SUPPORT | ✔ |
| 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 customizable deco PO2 setting |
| SAFETY STOP | Yes (customizable off/3min/5min) |
| CUSTOMIZABLE CONSERVATISM | Yes (low/medium/high or custom using gradient factors) |
| DIVE PLANNER | Yes (basic NDL + multi-gas deco planner) |
| ALERTS & ALARMS | Audible and vibration alarms for ascent rate, PO2, CNS/OTU, NDL, deco, gas switching |
| 3-AXIS DIVE COMPASS | ✔ |
| NO FLY TIME | ✔ |
| AUTO START/END DIVE | ✔ |
| SURFACE DIVER STATUS WIDGET | Yes (surface interval, N2/HE loading, CNS, OTU and tissue compartment status) |
In the Box
- Descent X30 dive computer with hinged silicone dive band
- Charging clip/cable
- Screen protector kit
- Documentation








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