The Suunto DX, built on the award-winning Suunto D9tx, is the ultimate tool for open circuit and rebreather divers. It’s the very first of its kind to feature CCR compatibility.

THE ULTIMATE INSTRUMENT FOR OPEN CIRCUIT AND REBREATHER DIVING

The Suunto DX, built on the award-winning Suunto D9tx, is the ultimate tool for open circuit and rebreather divers. It’s the very first of its kind to feature CCR compatibility. The premium design and materials, combined with the new superior Suunto Fused™ RGBM, make it the must-have instrument for your dive missions and everyday adventures. Are you ready to conquer new territory?

For rebreather diving

A setpoint, non-monitoring dive computer with dedicated CCR mode
Configure up to 3 different diluents
Adjustable high and low setpoints, as well as custom setpoint during dive
Automatic setpoints switching at specified depths
Possibility to switch to open circuit mode in case of bailout

For all diving

New, advanced Suunto Fused™ RGBM for CCR, technical and recreational diving
Trimix support including helium and oxygen
Gas switching between up to eight gases
3D tilt-compensated digital compass
Five modes: CCR, air, mixed gas, gauge, and off
Optional wireless air integration
Built-in dive planner
Detailed graphical logs and dive data on your computer using Suunto DM4 software

For everyday adventures

Stunning, compact design
Hard-wearing premium materials: titanium case and scratch-resistant sapphire crystal glass
Optional titanium bracelet


Chronograph
Stopwatch In time / dive mode

Compass
3D digital compass
Bearing tracking
Cardinal directions
Declination setting
Guided calibration
Heading in degrees
Tilt compensated compass

Diving
Altitude adjustment
Ascent rate monitor/alarm
Audible alarm
Compass
Deep Stops
Dive planner
Full decompression data
Lifetime history Scuba
Log book memory
Maximum depth alarm
Operation mode Air
Operation mode Gauge
Operation mode Mixed Gas
Operation mode OFF
Operation mode Watch
Personal adjustment
Safety stop
Temperature display
Operation mode CCR
Suunto Fused™ RGBM algorithm
Ascent time display Up to 999 min
Dive time in seconds and minutes In gauge mode
Maximum depth display 300 m / 984 ft
Profile sampling rates in seconds 1, 2, 5, 10, 20, 30, 60 s
Wireless air integration Optional

Nitrox
CNS% OTU calculation (OLF)
Gas switching during dive
Max PO2 adjustment 0.5-1.6
O2 % setting Up to 8 gases, oxygen 5-99%, helium 0-95%

Other
Adjustable backlight duration
Matrix display
Menu-based user interface
Sapphire crystal glass
Selectable metric/imperial units
Backlight type Electro-luminescent display
Operating temperature 0°C - 40°C/32°F - 104°F
Storage temperature -20°C - 50°C/-4°F - 122°F
Water resistance 200 m / 660 ft
Weight 107 g with elastomer strap / 182 g with titanium strap

Power
Battery power indicator
Low battery warning

Software
Software name Suunto DM4
USB interface cable Included

Trimix
8 gas mixes
Helium Up to 95%
Oxygen 5-99%

Watch
12/24h
Calendar clock
Dual time
Daily alarms 1