Equipped with compass, chronograph, altimeter, and barometer the Suunto Core Extreme has everything you need for a successful journey. Regardless whether you're mountaineering, hiking, climbing, skiing or heading off for a fishing trip, Suunto Core Extreme will take you through even the toughest situations.

Feature overview

Construction:

• Rugged composite housing
• User replacable straps
• Mineral crystal glass face 
• Water resistant to 30m with underwater buttons
• Weight = 65g 

Altimeter:

• Real-time vertical cumulative value
• Temperature compensation
• Total ascent / descent
• User-removable logbook files
• Automatic Alti/Baro switch
• Automatic 7 day Alti-Baro memory
• Altimeter resolution 1m
• Recording intervals 1s, 5s, 30s, 60s
• Altimeter - Barometer lock
• Altitude range -500m - +9000m (-1600ft - +29,500ft)
• Difference measurement
• Log graph
• Logbook function
• Locakble logs 

Weather (Barometer):

• Temperature (resolution 1°C)
• Weather memory (7 days)
• Trend indicator & graph
• Temperature range -20°C - +60°C
• Altimeter / Barometer lock
• Sea level pressure
• Difference measurement
• Barometer resolution 1mbar (0.05inHg)
• Barometer range 300 - 1100 mbar (8.9 - 32.4inHg)
• Weather alarm
• Storm alarm 

3D Compass:

• North indicator
• Heading in degrees
• Declination setting
• Graphic compass rose
• Bearing tracking
• Semi-automatic calibration

Watch / Chronograph:

• Countdown timer
• Stopwatch
• 12/24h
• Sunrise/Sunset times
• Calendar
• Daily alarms
• Alarm snooze
• Dual time

• Menu-based user interface (similar to mobile phones)
• Selectable metric / imperial units
• Electro-luminescent back light
• Four languages (En, De, Es, Fr)
• Depth meter
• Button lock