
Apex 4 Sport Watch by COROS
Ships in 1-2 business days | Based in Olathe, KS | Est. 1996
The COROS Apex 4 Sport Watch is built for training, racing, and beating your personal best. Premium features such as ultra-precise GPS, best-in-class battery, zero-lag mapping, a microphone and speaker, plus advanced training and recovery tools, give you the needed information to train as your best self. Made with alpine-grade materials, the touchscreen display is built for life outside, giving you peace of mind on adventures. Take on your biggest goals with the COROS Apex 4 supporting you along every step.
Features:
- Long-lasting battery to get you through your longest days, even while using the GPS
- Powerful mapping with free Global Maps, street and trail names, turn-by-turn navigation, and POIs
- Precision dual-frequency GPS with vertical algorithms built for alpine terrain and sheer walls
- Memory-in-Pixel touch screen with sharp contrast and easy readability in sun, snow, or shadows
- Titanium bezel and sapphire glass deliver a lightweight feel with alpine-grade durability
- Built-in speaker and mic for pace alerts, Voice Pins, and hands-free calls
- Track and manage your recovery, HRV, sleep, SpO2, and training load for a 360-degree view of your training
- Study every step of your training and race with 3D flyovers and adventure journaling
Includes:
- Apex 4 Sport Watch
- USB-C charging adaptor
- Charging adaptor keyring case
- **UCB-C charging cable NOT included
_______________________________________________
Specs
Dimensions:
- 42mm: 1.7" Dia x 0.55"H | 42.6mm Dia x 14mm H
- 46mm: 1.8" Dia x 0.54"H | 46.2mm Dia x 13.7mm H
Display Size:
- 42mm: 1.2" | 3cm
- 46mm: 1.3" | 3.3cm
Weight:
- 42mm: 1.9oz | 56g
- 46mm: 2.3oz | 64g
Display Resolution:
- 42mm: 240 x 240 pixels
- 46mm: 260 x 260 pixels
Display Type: 3rd Generation Memory-in-Pixel touch screen
Watch band:
-
42mm:
- Width: 0.87" | 22mm
- Size: 5.3" - 8.1" | 135 - 205mm
- Installation Type: Quick Release
-
46mm:
- Width: 0.94" | 24mm
- Size: 5.5" - 8.5" | 140 - 215mm
- Installation Type: Quick Release
Water Resistance: 5ATM suitable for surface water activities and not for diving
Working temperature: -4°F to 122°F | -20°C to 50°C
Connectivity: Bluetooth and Data Sync over Wi-Fi/ COROS App
Estimated charging time: less than 2 hours
Memory:
- Internal Memory: 23GB
- Activity Memory: 1200 hours (estimates based on outdoor activities)
Battery Life:
| 42mm | 46mm | |
| Endurance All Systems (GPS, GLONASS, Galileo, Beidou, QZSS) |
41 hours 11 hours (with offline music playing) |
65 hours 17 hours (with offline music playing) |
| High All Systems (GPS, GLONASS, Galileo, Beidou, QZSS) |
34 hours 10 hours (with offline music playing) |
53 hours 16 hours (with offline music playing) |
| Max Daily Frequency (GPS, GLONASS, Galileo, Beidou, QZSS) |
26 hours 9 hours (with offline music playing) |
41 hours 15 hours (with offline music playing) |
| Daily Use & Sleep Tracking |
15 days |
24 days |
Sensors:
- Speaker to take hands-free calls or play activity alerts out loud
- Microphone to record training logs, use voice commands, and save voice pins
- Optical heart rate monitor (may not work over tattoos)
- Barometric altimeter
- Accelerometer
- Gyroscope
- 3D compass
- Thermometer
- Optical pulse oximeter
- Electrocardiogram sensor
Training Features:
- 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
- Activity alerts (cadence, distance, pace, heart rate, power, and more)
- Basic interval training
- Pre-planned workouts
- Training plans
- Running fitness
- Resting heart rate
- Action camera control (supports select GoPro, DJI, Insta360 cameras
- Virtual pacer
- Virtual Run
- Altitude mode (regular evaluation of SpO2 and fitness when at high altitudes
- Touch scroll (swipe to scroll data pages during training)
- Extender
Daily Features
- Daily stress
- Wellness check
- Message/call alert (supports daily use and during training)
- Sleep (with REM tracking)
- Alarm
- Timer
- Stopwatch
- Daily data (active calories, exercise time, storm, and more alerts)
- Updateable firmwear (with Wi-Fi and the COROS app)
- Find my phone
- Find my watch
- Always-on display
- HRV
- Music (plays offline music when paired with supported Bluetooth headsets)
Geo Location:
- Satellite Systems: GPS, GLONASS, Galileo, Beidou, QZSS
- GNSS Chipset: All-Satellite Dual-Frequency
Navigation:
- Map Layer: Landscape (with trail and street names), Topo
- Additional Features:
- Checkpoint
- Back-to-start
- Deviation alert
- Touchscreen-enabled map control
- Safety alerts
Materials:
- Screen: Sapphire Glass
- Bezel & Cover: Grade 5 Titanium Alloy and Fiber Reinforced Polymer
- Band: Silicone
Made in China
***Discounts are not available on COROS products
Original: $429.00
-65%$429.00
$150.15More Images































Apex 4 Sport Watch by COROS
Ships in 1-2 business days | Based in Olathe, KS | Est. 1996
The COROS Apex 4 Sport Watch is built for training, racing, and beating your personal best. Premium features such as ultra-precise GPS, best-in-class battery, zero-lag mapping, a microphone and speaker, plus advanced training and recovery tools, give you the needed information to train as your best self. Made with alpine-grade materials, the touchscreen display is built for life outside, giving you peace of mind on adventures. Take on your biggest goals with the COROS Apex 4 supporting you along every step.
Features:
- Long-lasting battery to get you through your longest days, even while using the GPS
- Powerful mapping with free Global Maps, street and trail names, turn-by-turn navigation, and POIs
- Precision dual-frequency GPS with vertical algorithms built for alpine terrain and sheer walls
- Memory-in-Pixel touch screen with sharp contrast and easy readability in sun, snow, or shadows
- Titanium bezel and sapphire glass deliver a lightweight feel with alpine-grade durability
- Built-in speaker and mic for pace alerts, Voice Pins, and hands-free calls
- Track and manage your recovery, HRV, sleep, SpO2, and training load for a 360-degree view of your training
- Study every step of your training and race with 3D flyovers and adventure journaling
Includes:
- Apex 4 Sport Watch
- USB-C charging adaptor
- Charging adaptor keyring case
- **UCB-C charging cable NOT included
_______________________________________________
Specs
Dimensions:
- 42mm: 1.7" Dia x 0.55"H | 42.6mm Dia x 14mm H
- 46mm: 1.8" Dia x 0.54"H | 46.2mm Dia x 13.7mm H
Display Size:
- 42mm: 1.2" | 3cm
- 46mm: 1.3" | 3.3cm
Weight:
- 42mm: 1.9oz | 56g
- 46mm: 2.3oz | 64g
Display Resolution:
- 42mm: 240 x 240 pixels
- 46mm: 260 x 260 pixels
Display Type: 3rd Generation Memory-in-Pixel touch screen
Watch band:
-
42mm:
- Width: 0.87" | 22mm
- Size: 5.3" - 8.1" | 135 - 205mm
- Installation Type: Quick Release
-
46mm:
- Width: 0.94" | 24mm
- Size: 5.5" - 8.5" | 140 - 215mm
- Installation Type: Quick Release
Water Resistance: 5ATM suitable for surface water activities and not for diving
Working temperature: -4°F to 122°F | -20°C to 50°C
Connectivity: Bluetooth and Data Sync over Wi-Fi/ COROS App
Estimated charging time: less than 2 hours
Memory:
- Internal Memory: 23GB
- Activity Memory: 1200 hours (estimates based on outdoor activities)
Battery Life:
| 42mm | 46mm | |
| Endurance All Systems (GPS, GLONASS, Galileo, Beidou, QZSS) |
41 hours 11 hours (with offline music playing) |
65 hours 17 hours (with offline music playing) |
| High All Systems (GPS, GLONASS, Galileo, Beidou, QZSS) |
34 hours 10 hours (with offline music playing) |
53 hours 16 hours (with offline music playing) |
| Max Daily Frequency (GPS, GLONASS, Galileo, Beidou, QZSS) |
26 hours 9 hours (with offline music playing) |
41 hours 15 hours (with offline music playing) |
| Daily Use & Sleep Tracking |
15 days |
24 days |
Sensors:
- Speaker to take hands-free calls or play activity alerts out loud
- Microphone to record training logs, use voice commands, and save voice pins
- Optical heart rate monitor (may not work over tattoos)
- Barometric altimeter
- Accelerometer
- Gyroscope
- 3D compass
- Thermometer
- Optical pulse oximeter
- Electrocardiogram sensor
Training Features:
- 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
- Activity alerts (cadence, distance, pace, heart rate, power, and more)
- Basic interval training
- Pre-planned workouts
- Training plans
- Running fitness
- Resting heart rate
- Action camera control (supports select GoPro, DJI, Insta360 cameras
- Virtual pacer
- Virtual Run
- Altitude mode (regular evaluation of SpO2 and fitness when at high altitudes
- Touch scroll (swipe to scroll data pages during training)
- Extender
Daily Features
- Daily stress
- Wellness check
- Message/call alert (supports daily use and during training)
- Sleep (with REM tracking)
- Alarm
- Timer
- Stopwatch
- Daily data (active calories, exercise time, storm, and more alerts)
- Updateable firmwear (with Wi-Fi and the COROS app)
- Find my phone
- Find my watch
- Always-on display
- HRV
- Music (plays offline music when paired with supported Bluetooth headsets)
Geo Location:
- Satellite Systems: GPS, GLONASS, Galileo, Beidou, QZSS
- GNSS Chipset: All-Satellite Dual-Frequency
Navigation:
- Map Layer: Landscape (with trail and street names), Topo
- Additional Features:
- Checkpoint
- Back-to-start
- Deviation alert
- Touchscreen-enabled map control
- Safety alerts
Materials:
- Screen: Sapphire Glass
- Bezel & Cover: Grade 5 Titanium Alloy and Fiber Reinforced Polymer
- Band: Silicone
Made in China
***Discounts are not available on COROS products
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Ships in 1-2 business days | Based in Olathe, KS | Est. 1996
The COROS Apex 4 Sport Watch is built for training, racing, and beating your personal best. Premium features such as ultra-precise GPS, best-in-class battery, zero-lag mapping, a microphone and speaker, plus advanced training and recovery tools, give you the needed information to train as your best self. Made with alpine-grade materials, the touchscreen display is built for life outside, giving you peace of mind on adventures. Take on your biggest goals with the COROS Apex 4 supporting you along every step.
Features:
- Long-lasting battery to get you through your longest days, even while using the GPS
- Powerful mapping with free Global Maps, street and trail names, turn-by-turn navigation, and POIs
- Precision dual-frequency GPS with vertical algorithms built for alpine terrain and sheer walls
- Memory-in-Pixel touch screen with sharp contrast and easy readability in sun, snow, or shadows
- Titanium bezel and sapphire glass deliver a lightweight feel with alpine-grade durability
- Built-in speaker and mic for pace alerts, Voice Pins, and hands-free calls
- Track and manage your recovery, HRV, sleep, SpO2, and training load for a 360-degree view of your training
- Study every step of your training and race with 3D flyovers and adventure journaling
Includes:
- Apex 4 Sport Watch
- USB-C charging adaptor
- Charging adaptor keyring case
- **UCB-C charging cable NOT included
_______________________________________________
Specs
Dimensions:
- 42mm: 1.7" Dia x 0.55"H | 42.6mm Dia x 14mm H
- 46mm: 1.8" Dia x 0.54"H | 46.2mm Dia x 13.7mm H
Display Size:
- 42mm: 1.2" | 3cm
- 46mm: 1.3" | 3.3cm
Weight:
- 42mm: 1.9oz | 56g
- 46mm: 2.3oz | 64g
Display Resolution:
- 42mm: 240 x 240 pixels
- 46mm: 260 x 260 pixels
Display Type: 3rd Generation Memory-in-Pixel touch screen
Watch band:
-
42mm:
- Width: 0.87" | 22mm
- Size: 5.3" - 8.1" | 135 - 205mm
- Installation Type: Quick Release
-
46mm:
- Width: 0.94" | 24mm
- Size: 5.5" - 8.5" | 140 - 215mm
- Installation Type: Quick Release
Water Resistance: 5ATM suitable for surface water activities and not for diving
Working temperature: -4°F to 122°F | -20°C to 50°C
Connectivity: Bluetooth and Data Sync over Wi-Fi/ COROS App
Estimated charging time: less than 2 hours
Memory:
- Internal Memory: 23GB
- Activity Memory: 1200 hours (estimates based on outdoor activities)
Battery Life:
| 42mm | 46mm | |
| Endurance All Systems (GPS, GLONASS, Galileo, Beidou, QZSS) |
41 hours 11 hours (with offline music playing) |
65 hours 17 hours (with offline music playing) |
| High All Systems (GPS, GLONASS, Galileo, Beidou, QZSS) |
34 hours 10 hours (with offline music playing) |
53 hours 16 hours (with offline music playing) |
| Max Daily Frequency (GPS, GLONASS, Galileo, Beidou, QZSS) |
26 hours 9 hours (with offline music playing) |
41 hours 15 hours (with offline music playing) |
| Daily Use & Sleep Tracking |
15 days |
24 days |
Sensors:
- Speaker to take hands-free calls or play activity alerts out loud
- Microphone to record training logs, use voice commands, and save voice pins
- Optical heart rate monitor (may not work over tattoos)
- Barometric altimeter
- Accelerometer
- Gyroscope
- 3D compass
- Thermometer
- Optical pulse oximeter
- Electrocardiogram sensor
Training Features:
- 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
- Activity alerts (cadence, distance, pace, heart rate, power, and more)
- Basic interval training
- Pre-planned workouts
- Training plans
- Running fitness
- Resting heart rate
- Action camera control (supports select GoPro, DJI, Insta360 cameras
- Virtual pacer
- Virtual Run
- Altitude mode (regular evaluation of SpO2 and fitness when at high altitudes
- Touch scroll (swipe to scroll data pages during training)
- Extender
Daily Features
- Daily stress
- Wellness check
- Message/call alert (supports daily use and during training)
- Sleep (with REM tracking)
- Alarm
- Timer
- Stopwatch
- Daily data (active calories, exercise time, storm, and more alerts)
- Updateable firmwear (with Wi-Fi and the COROS app)
- Find my phone
- Find my watch
- Always-on display
- HRV
- Music (plays offline music when paired with supported Bluetooth headsets)
Geo Location:
- Satellite Systems: GPS, GLONASS, Galileo, Beidou, QZSS
- GNSS Chipset: All-Satellite Dual-Frequency
Navigation:
- Map Layer: Landscape (with trail and street names), Topo
- Additional Features:
- Checkpoint
- Back-to-start
- Deviation alert
- Touchscreen-enabled map control
- Safety alerts
Materials:
- Screen: Sapphire Glass
- Bezel & Cover: Grade 5 Titanium Alloy and Fiber Reinforced Polymer
- Band: Silicone
Made in China
***Discounts are not available on COROS products






















