Size and Weight

Dimensions
42 x 42 x 11.7mm
43.0 x 42.8 x 12.8mm
50.3 x 50.3 x 15.7mm
Weight
35g-36g With Silicone Band
53g With Silicone Band
89g With Silicone Band
29g-30g With Nylon Band
42g With Nylon Band
72g With Nylon Band

Display

Display Size
1.2 Inch
1.2 Inch
1.4 Inch
Display Resolution
240 x 240 64 colors
240 x 240 64 colors
280 x 280 64 colors
Display Type
Always-On Memory LCD
Touch Screen Always-On Memory LCD
Touch Screen Always-On Memory LCD

Materials

Screen Material
Corning® Glass
Sapphire Glass
Sapphire Glass
Bezel Material
Fibre Reinforced Polymer
Grade 5 Titanium Alloy With PVD Coating
Grade 5 Titanium Alloy With PVD Coating
Cover Material
Fibre Reinforced Polymer
Titanium Alloy
Titanium Alloy With PVD Coating
Band Material
Silicone/Nylon
Silicone/Nylon
Silicone/Nylon

Watch Band

Width
20mm
20mm
26mm
Installation Type
Quick Release
Quick Release
Quick Fit

Design

Buttons & Dials
Digital Dial
Digital Dial
Digital Dial Increased Size & Enhanced Durability
Back Button
Back Button
Back Button
Dedicated Backlight Button
Dedicated Backlight Button

Connectivity

Phone
Bluetooth
Bluetooth
Bluetooth
Accessories
ANT+/Bluetooth
Bluetooth
Bluetooth
Data Sync
COROS App
Wi-Fi / COROS App
Wi-Fi / COROS App

Durability

Water Resistance
5 ATM Suitable for surface water activities and not for diving
5 ATM Suitable for surface water activities and not for diving
10 ATM Suitable for surface water activities and not for diving
Working Temperature
-4°F to 140°F (-20°C to 60°C)
-4°F to 122°F (-20°C to 50°C)
-22°F to 122°F (-30°C to 50°C)
Storage Temperature
-4°F to 149°F (-20°C to 65°C)
-4°F to 140°F (-20°C to 60°C)
-22°F to 140°F (-30°C to 60°C)

Battery

Standard Full GPS (GPS/QZSS)
30 Hours Connects to GPS and QZSS
45 Hours Connects to GPS and QZSS
140 Hours Connects to GPS and QZSS
8 Hours (With Music) Connects to GPS and QZSS with offline music
30 Hours (With Music) Connects to GPS and QZSS with offline music
All Systems On (GPS, GLONASS, Galileo, Beidou, QZSS)
30 Hours Connects to 5 satellite systems at the same time
90 Hours Connects to 5 satellite systems at the same time
7 Hours (With Music) Connects to 5 satellite systems at the same time with offline music
25 Hours (With Music) Connects to 5 satellite systems at the same time with offline music
Dual Frequency (GPS, GLONASS, Galileo, Beidou, QZSS)
50 Hours Connects to 5 satellite systems at the same time in dual frequency
20 Hours (With Music) Connects to 5 satellite systems at the same time in dual frequency with offline music
Daily Use
20 Days
17 Days
60 Days
Charging Time
Less Than 2 Hours
Less Than 2 Hours
Less Than 2 Hours

Geo Location

Satellite Systems
GPS, GLONASS, Galileo, Beidou, QZSS
GPS, GLONASS, Galileo, Beidou, QZSS
GPS, GLONASS, Galileo, Beidou, QZSS
GNSS Chipset
Single-Frequency
All-Satellite Single-Frequency
All-Satellite Dual-Frequency

Navigation

Map Layer
Breadcrumb
Landscape Downloadable Global Maps
Landscape Pre-loaded Global Maps
Topo Downloadable Regional Maps
Topo Downloadable Regional Maps
Additional Features
Checkpoint
Checkpoint
Checkpoint
Back-To-Start
Back-To-Start
Back-To-Start
Deviation Alert
Deviation Alert
Deviation Alert
Touchscreen-Enabled Map Control
Touchscreen-Enabled Map Control

Data Tracking

Sensors
Optical Heart Rate Monitor May not work over tattoos
Optical Heart Rate Monitor May not work over tattoos
Optical Heart Rate Monitor May not work over tattoos
Barometric Altimeter
Barometric Altimeter
Barometric Altimeter
Accelerometer
Accelerometer
Accelerometer
Gyroscope
Gyroscope
Gyroscope
3D Compass
3D Compass
3D Compass
Thermometer Supports body temperature in training (with compatible accessory)
Thermometer Supports body temperature in training (with compatible accessory)
Thermometer Supports body temperature in training (with compatible accessory)
Optical Pulse Oximeter
Optical Pulse Oximeter
Electrocardiogram Sensor
Electrocardiogram Sensor
Training Features
Effort Pace A personalized metric that represents true effort when running
Effort Pace A personalized metric that represents true effort when running
Effort Pace A personalized metric that represents true effort when running
EvoLab Recovery, fatigue, training load, race predictor, VO2 max, threshold zones and more metrics
EvoLab Recovery, fatigue, training load, race predictor, VO2 max, threshold zones and more metrics
EvoLab Recovery, fatigue, training load, race predictor, VO2 max, threshold zones and more metrics
Activity Alerts For cadence, distance, pace, heart rate, power and more metrics
Activity Alerts For cadence, distance, pace, heart rate, power and more metrics
Activity Alerts For cadence, distance, pace, heart rate, power and more metrics
Basic/Advanced Interval Training
Basic/Advanced Interval Training
Basic/Advanced Interval Training
Pre-planned Workouts
Pre-planned Workouts
Pre-planned Workouts
Training Plans
Training Plans
Training Plans
Running Fitness
Running Fitness
Running Fitness
Resting Heart Rate
Resting Heart Rate
Resting Heart Rate
On-Wrist Running Power
On-Wrist Running Power
On-Wrist Running Power
Underwater Heart Rate
Underwater Heart Rate
Underwater Heart Rate
Action Camera Control Supports select GoPro and Insta360 cameras
Action Camera Control Supports select GoPro and Insta360 cameras
Action Camera Control Supports select GoPro and Insta360 cameras
Virtual Run
Virtual Run
Virtual Run
Altitude Mode Regular evaluation of SpO2 and fitness when at high altitudes
Altitude Mode Regular evaluation of SpO2 and fitness when at high altitudes
Touch Scroll Swipe to scroll data pages during training
Touch Scroll Swipe to scroll data pages during training
Daily Features
Message/Call Alert Supports daily use and during training
Message/Call Alert Supports daily use and during training
Message/Call Alert Supports daily use and during training
Sleep With REM Tracking
Sleep With REM Tracking
Sleep With REM Tracking
Alarm
Alarm
Alarm
Timer
Timer
Timer
Stopwatch
Stopwatch
Stopwatch
Daily Alerts Include active calories, exercise time, storm and more alerts
Daily Alerts Include active calories, exercise time, storm and more alerts
Daily Alerts Include active calories, exercise time, storm and more alerts
Updateable Firmware With the COROS app
Updateable Firmware With Wi-Fi and the COROS app
Updateable Firmware With Wi-Fi and the COROS app
Find My Phone
Find My Phone
Find My Phone
Find My Watch
Find My Watch
Find My Watch
Backlight Always-On Mode
Backlight Always-On Mode
Backlight Always-On Mode
HRV Index
HRV Index
Music Plays offline music when paired with supported Bluetooth headsets
Music Plays offline music when paired with supported Bluetooth headsets

3rd Party Integration

Compatible Apps
Komoot, TrainingPeaks, Strava, Relive, adidas Running, Apple Health, Stryd, Final Surge, Runalyze, Running Quotient, Decathlon Click here for a complete list
Komoot, TrainingPeaks, Strava, Relive, adidas Running, Apple Health, Stryd, Final Surge, Runalyze, Running Quotient, Decathlon Click here for a complete list
Komoot, TrainingPeaks, Strava, Relive, adidas Running, Apple Health, Stryd, Final Surge, Runalyze, Running Quotient, Decathlon Click here for a complete list

System Languages

Display Language
English, Simplified Chinese, Traditional Chinese, German, Spanish, French, Polish, Thai, Japanese, Korean, Portuguese, Italian, Russian
English, Simplified Chinese, Traditional Chinese, German, Spanish, French, Polish, Thai, Japanese, Korean, Portuguese, Italian, Russian
English, Simplified Chinese, Traditional Chinese, German, Spanish, French, Polish, Thai, Japanese, Korean, Portuguese, Italian, Russian

Supported Activity Modes

Run
Run
Run
Run
Indoor Run
Indoor Run
Indoor Run
Track Run
Track Run
Track Run
Trail Run
Trail Run
Mountain
Hike
Hike
Mountain Climb
Mountain Climb
Outdoor Climb Enhanced data tracking for multi-pitch and big wall climbing
Bike
Bike
Bike
Bike
Indoor Bike
Indoor Bike
Indoor Bike
Water
Open Water
Open Water
Open Water
Pool Swim
Pool Swim
Pool Swim
Flatwater
Flatwater
Flatwater
Rowing
Rowing
Rowing
Whitewater
Whitewater
Speedsurfing
Speedsurfing
Windsurfing
Windsurfing
Winter
Ski
Ski
Snowboard
Snowboard
XC Ski
XC Ski
Ski Touring
Ski Touring
Cardio
GPS Cardio
GPS Cardio
GPS Cardio
Gym Cardio
Gym Cardio
Gym Cardio
Indoor Rower
Indoor Rower
Indoor Rower
Walk
Walk
Walk
Jump Rope
Jump Rope
Jump Rope
Indoor Climb Supports indoor lead, top rope, and bouldering with route/fall auto-count
Indoor Climb Supports indoor lead, top rope, and bouldering with route/fall auto-count
Special
Triathlon
Triathlon
Triathlon
Multisport
Multisport
Multisport
Strength
Strength
Strength
Training
Training
Training
Training Plan
Training Plan
Training Plan