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1-800-585-9331

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Garmin Descent X30 Specs

What You'll Love

Watch display type LCD
Watch 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

Clock Features

Time/date ✔
GPS Time Sync ✔
Automatic daylight saving time ✔
Stopwatch ✔
Sunrise/sunset times ✔

Sensors

GPS ✔
GLONASS ✔
Galileo ✔
Compass ✔
Gyroscope ✔
Accelerometer ✔
Thermometer ✔
Ambient light sensor ✔
Depth sensor ✔

Daily Smart Features

Connectivity Bluetooth®, ANT+®
Smart Notifications ✔
Text response/reject phone call with text (Android™ only) ✔
Weather forecasts ✔
Realtime settings sync with Garmin Connect™ mobile yes (also with Garmin Dive app)
Find My Watch ✔
Smartphone compatibility iPhone®, Android™
Passcode ✔

Activity Profiles

Dive Diving

Tactical Features

Dual grid coordinates ✔

Diving Features

Dive activity maximum operating depth 100 meters
Single-gas mode ✔
Multi-gas mode ✔
Gauge mode ✔
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
Auto start/end dive ✔
Custom end-dive timeout yes (20s to 10 m)
Safety Stop yes (customizable off/3min/5min)
Deep Stops yes (using custom gradient factors)
Customizable conservatism yes (low/medium/high or custom using gradient factors)
Dive ascent/descent rate indicator ✔
Automatic altitude adjustment ✔
No fly time ✔
Dive planner yes (basic NDL + multi-gas deco planner)
Backlight yes (configurable intensity; always on)
Automatically saves dive entry and exit locations ✔
Sync dive log to Garmin Dive™ Mobile app ✔
Custom dive data screens ✔
Alerts & alarms Audible and vibration alarms for ascent rate, PO2, CNS/OTU, NDL, deco, gas switching. Customizable (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

Built-in barometer and tide tables yes (downloadable tides)

Training, Planning and Analysis Features

GPS speed and distance ✔
Touch and/or button lock ✔
Activity history on watch ✔

Outdoor Recreation

Point-to-point navigation ✔
Explore Nearby ✔
Reference point ✔
Distance to destination ✔
GPS coordinates ✔

In the Box:

  • Descent X30 dive computer with hinged silicone dive band
  • Charging clip/cable
  • Screen protector kit
  • Documentation