FULL DECOMPRESSION WRISTOP DIVE COMPUTER WITH INNOVATIVE FREE DIVE MODE Designed with the dynamic water sports enthusiast in mind

the Suunto D4 is an advanced wristop dive computer with intelligent free diving features. Constructed from lightweight, composite material, the Suunto D4 features a modernized and sleek design. The Suunto D4 is the introductory model in the Suunto diving line.
 

•    4 operating modes (Air, Nitrox, Free and Time)
•    Complete decompression stop data
•    80 h profile and logbook memory*
•    Lifetime history memory (Scuba and Free dive)
•    Daily history (free dive)
•    Profile memory bookmark
•    USB compatible PC-interface (optional)
•    Multi step ascent rate indicator
•    Personal adjustment
•    Altitude adjustment 0-3000 m (0-10000 ft)
•    Automatic safety stop countdown
•    Electroluminescent illumination (backlight)
•    Max depth of operation: 100m/328ft
•    Audible alarms
•    Maximum depth alarm
•    Depth notified alarm (free dive mode)
•    Surface time notified alarm (free dive mode)
•    User-selectable metric or imperial units
•    Battery power indicator and warning
•    Calendar clock
•    Dual time
•    Stopwatch
•    Daily alarm
•    Display shield
•    Suunto Deep Stop RGBM
•    21-50% oxygen

* Default factory setting. Can go up to 240 hours.