Suunto D6i Steel

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Suunto D6i Dive Computer

Suunto D6i is the watch-sized dive computer of choice for those who take their diving seriously. With a new tilt-compensated 3D digital compass and wireless air integration, it’s a great tool when other people rely on your diving skills. Trusted by professional divers, its good looks make it a great addition to your more civilian wardrobe too. D6i White, D6i Elastomer and D6i All Black now come with a comfortable silicone strap.
  • Optional wireless air integration – current cylinder pressure, remaining air time
  • Integrated tilt-compensated 3D digital compass
  • Full continuous decompression algorithm
  • Gas-switching capability
  • Four dive modes: Air, Nitrox, Freedive, Gauge
  • Built-in dive planner
  • Detailed graphical logs and dive data on your laptop using Suunto DM4 with Movescount software
Suunto D6i is the wristop dive computer of choice for those who take their diving seriously. Features like the tilt-compensated 3D compass and wireless air integration make it invaluable in situations where other people rely on your diving skills. It’s also easy to synch with, so you can log and share dive info, images, and videos with the rest of the world when you’re out of the water.
Hassle-free tank pressure monitoring
The D6i offers optional wireless air integration, so you can keep track of current cylinder pressure and remaining air time with a glance at your wrist, giving you more time to enjoy your dive.
Innovative compass technology
Navigation is easier than ever before thanks to the tilt-compensated 3D compass, which gives you full confidence in the accuracy of the bearing, regardless of the angle of your wrist.
Share your diving experiences with the world
Using DM4 with Movescount software on your laptop, you can easily synch your Suunto D6i with the online community, where you can store and share your dive data, images, and more. With Movescount, you can also share experiences on dive sites and connect with other divers from all over the world.
Multi-mode versatility
Suunto D6i has four dive modes. The Air mode is used for diving with standard air, the Nitrox mode for one or two nitrox mixes, and the Gauge mode for use as a bottom timer. There is also a dedicated Freedive mode for breath-hold divers.
With the D6i in Nitrox mode, you can accelerate decompression by switching to a gas mix with a higher oxygen percentage. You can also preset two different gas mixes (with between 21% and 99% oxygen) and set PO2 values for each individual gas. It’s also quick and easy to switch between enabled gas mixes during your dive.
In Gauge mode, Suunto D6i works as a bottom timer, and also provides accurate profile sampling and bookmarking functions. A dive timer with a reset function displays your dive time in minutes and seconds. This is extremely useful for timing accurate bottom times and decompression stops.
If you’re serious about breath-hold diving, the new Freedive mode puts all the functionality you need at your fingertips. The D6i samples depth three times a second, and gives you highly accurate data on the true depth reached.
Plan and review
You can test upcoming dives and view no-decompression time data for different depths before getting in the water with the built-in dive planner. After your dive, you can easily transfer your dive data to your computer for further analysis using the optional Suunto DM4 software, which includes a detailed logbook featuring a graphical representation of all your dives.
As stylish on land as it is in water
As well as being a full-featured dive computer, Suunto D6i is also a stylishly designed timepiece that looks as good in the office as does on the live-aboard.


Key Features

  • Steel case and sapphire crystal glass with antireflective coating
  • Full continuous decompression algorithm - Suunto RGBM
  • Gas-switching between up to three gases
  • Five modes: air, nitrox, gauge, free and off
  • Innovative apnea timer, and a timer in air/nitrox modes
  • Integrated tilt-compensated 3D digital compass
  • Updateable firmware
  • Optional wireless air integration – current cylinder pressure, remaining air time
  • Built-in dive planner
  • Detailed graphical logs and dive data on your PC/Mac using Suunto DM5 software

In the Box

  • Suunto D6i with steel bracelet
  • D-series USB cable
  • Dive manuals on DVD
  • Quick Guide
  • Dive legal leaflet with warranty information
Bezel Material:
Stainless Steel
Lens material:
Sapphire Crystal
Case material:
Strap material:
113 g
Water resistance
150 m (ISO 6425, EN 13319)
Battery life in time mode
2 years
Battery life 100 dives/year
1.5 years
Battery type
CR 2450
Time, date
Alarm clock
1 daily alarm
Dual time
Stopwatch timer
UI languages
Configurable backlight
duration: off, 5, 10, 20, 30, 60 s
Display type
Display resolution
49 x 22
Battery indicator
low battery indicator
Metric and imperial units
Data transfer
USB cable
Connectivity (between devices)
Compatible with DM5
Compatible with Movescount
with DM5
Digital compass
Tilt compensation
up to 45°
Direction scale
compass rose
Bearing lock with orienting indicator
Compass accuracy
Compass resolution
Operating temperature
0° C to +40° C / +32° F to +104° F
Storage temperature
-20 ° C to +50 ° C / -4° F to +122° F
Maximum operating depth (EN 13319)
100 m
Nitrox (and air)
Dive time
0 to 999 min
Surface time
0 to 99 h 59 min
No fly time
Safety Stop
Deep Stop
Ascent time display
0 - 199 min (- - after 199)
CNS/OTU (OLF) calculation
Wireless air integration
Decompression model
Personal adjustment
0 - 2
Altitude adjustment
0 - 300 m / 300 -1500 m / 1500 - 3000 m
up to 3 gases (Oxygen 21 - 99%)
Gas max pO2
1.2 - 1.6
Gas switching
No-decompression planner
Logbook memory
~140 h (20 s sampling rate)
Logbook bookmarks
Logbook sampling rates
10, 20, 30, 60 s (1, 2, 5 s free diving)
Dive History
Dive time
Maximum depth
Tank pressure
High pO2 (hyperoxic)
Too fast ascent
Decompression ceiling violation
Deepstop violation
CNS/OTU (OLF) 80% / 100%
Switch gas (better gas is available)
Apnea timer (O2/CO2 tables)
Free dive number
Freedive day history
Freedive total history
Depth notify
yes (5)
Surface time notify
Temperature display range
-20° C to +50° C (+/- 2° C) / -9° C to +122° F (+/- 3.6° F)
Temperature resolution
1° C / 1.5° F


User Manual


SKU SuuntoD6i
Barcode # SuuntoD6i
Brand Suunto

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