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Suunto Ambit2 S White Suunto Ambit2 Sapphire
Weight 72 g / 2.54 oz 92 g / 3.25 oz

Altimeter

Altitude range -500m - 9000m/-1600ft - 29500ft
Recording intervals 1 s, 10 s 1 s, 10 s
Resolution 1 m 1 m
Total ascent/descent
Vertical speed
Barometric altitude -
FusedAlti™ -
Automatic Alti/Baro switch -
Temperature compensation -

Chronograph

Laps (manual and automatic)
Stopwatch
Countdown timer
Timers (interval timer)

Compass

3D digital compass
Cardinal directions
Declination setting
Guided calibration
Heading in degrees
North-South indicator North indicator North indicator

Computer connectivity (PC & MAC)

Training data transfer and analysis through Movescount.com (with USB cable) Through Movescount.com (with USB cable)
Viewing and visualizing tracks and altitude profiles Movescount.com (or third party software) Movescount.com (or third party software)
Route and track planning

GPS

Grids British (BNG), Finnish (ETRS-TM35FIN), Finnish (KKJ), Irish (IG), Swedish (RT90), Swiss (CH1903), UTM NAD27 Alaska, UTM NAD27 Conus, UTM NAD83 British (BNG), Finnish (ETRS-TM35FIN), Finnish (KKJ), Irish (IG), Swedish (RT90), Swiss (CH1903), UTM NAD27 Alaska, UTM NAD27 Conus, UTM NAD83
Points of Interest 100 100
Routes
Speed
Tracks
Location
Distance
Track back
Find back

Heart Rate

ANT - digital coded heart rate signal
Average HR in real time
Calories In real time In real time
HR limits
HR zones
Recording intervals Beat by beat Beat by beat
EPOC and VO2 max in Movescount.com in Movescount.com
HR in real time

Heart Rate Belts

ANT+ Heart Rate Belts Compatible Compatible
Suunto ANT Heart Rate Belt Included in HR variants Included in HR variants
Suunto Dual Comfort Belt (Analog Coded & ANT Coded) Compatible Compatible

Other

ANT+™ compatibility
Backlight option for night use
Backlight type Led Led
Dot-matrix display
Logbook
Menu-based user interface
Mineral crystal glass -
Operating temperature -20°C - +60°C/-5°F - +140°F -20°C - +60°C / -5°F - +140°F
Selectable metric/imperial units
Storage temperature -30°C - +60°C/-22°F - +140° -30°C - +60°C / -22°F - +140°F
User replaceable straps
Water resistance 50 m / 164 ft 100 m / 328 ft
Sapphire crystal glass -

Power

Rechargeable battery
Battery power indicator
Low battery warning
Battery life ~8 - 25 hours depending on selected GPS accuracy ~16 - 50 hours depending on selected GPS accuracy

Special

Compatible with PODs
Customizable display
Languages English as default (DE, ES, FI, FR, IT, NL, PT, SV available through Movescount.com) English as default (DE, ES, FI, FR, IT, NL, PT, SV available through Movescount.com)
Suunto Apps
Configurable button lock

Training and Exercise Guidance

Interval timer
Peak Training Effect in real time and in Movescount.com in real time and in Movescount.com
Recovery time suggestion after exercise
Multisport support
Bike Power support
Indoor swimming support

Watch

12/24h
Alarm Snooze
Calendar clock
Daily alarms 1 1
Dual time
GPS timekeeping

Weather

Barometer range - 950-1060 hPa / 28.34-31.30 inHg
Barometer resolution - 1 hPa / 0,03 inHg
Sea level pressure -
Temperature resolution - 1°C / 1°F
Trend graph -
Temperature -