Features:
* Stopwatch
* Dual time
* Daily Alarm
* Display alarm
* Suunto deep stop RGBM
* Audible alarms
* Maximum depth alarm
* Depth display range 0-100 m (0-328 ft)
* 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
* 4 operating modes: Air, Nitrox, Free and Time
* Complete decompression stop data
* 80h profile and logbook memory
* Lifetime history memory (scuba and free dive)
* Daily history (free dive)
* Profile memory bookmark
* Multi step ascent rate indicator
* Personal adjustment
* Altitude adjustment 0-3000m (0-10,000ft)
* Automatic safety stop countdown
* Electroluminescent illumination (backlight)
Brand New Suunto D4 Wrist Dive Computer Watch