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WAPX4-BLK-46

COROS APEX 4 GPS Watch

APEX 4 Promotion

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Colour: Black
Black
White
Size: 46mm

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COROS APEX 4 GPS Watch Black 46mm

Black / 46mm

2026-06-05 2026-06-12
The ultimate mountain sports watch built for training, racing, and beating your personal best.
  • 65hrs of GPS battery (46mm) or 41hrs (42mm), enough to get you through your longest days.
  • Our most powerful mapping with free Global Maps, street and trail names, turn-by-turn navigation, and POI's
  • Precision dual-frequency GPS with vertical algorithms built for alpine terrain and sheer walls.
  • 1.3 inch Memory-in-Pixel touch screen (46mm) or 1.2 inch (42mm), with sharp contrast and easy readability in sun, snow, or shadows.
  • A 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 racing with 3D Flyovers and Adventure Journaling.

What's in the box

*USB-C charging cable not included.

All battery claims depend on feature usage such as music, backlight, navigation, and many other factors; actual results will vary. Lithium-ion batteries have limited recharge cycles and may show degradation over time. Battery life and charge cycles vary by use and settings. View ourĀ Battery SpecificationsĀ for more detailed information.


APEX 4 NOMAD VERTIX 2S

Size and Weight

Dimensions

46mm: 46.2 x 46.2 x 13.7mm

42mm: 42.6 x 42.6 x 14mm

Height does not include the optical heart rate sensor

47.8 x 47.8 x 14.8mm

Height does not include the optical heart rate sensor

50.3 x 50.3 x 16mm

Ā 

Weight

46mm: 64g

42mm: 56

with silicone band

46mm: 51g

42mm: 44g

with nylon band

61g

with silicone band

49g

with nylon band

87g

with silicone band

70g

with nylon band

Display

Display Size

46mm: 1.3 inches

42mm: 1.2 inches

Ā 

1.3 inches

Ā 

1.4 inches

Ā 

Display Resolution

46mm: 260 x 260 pixels

42mm: 240 x 240 pixels

260 x 260

Ā 

280 x 280

64 colors

Display Type

3rd Generation Memory-in-Pixel touch screen

Ā 

3rd Generation Memory-in-Pixel touch screen

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Touch Screen Always-On Memory LCD

Ā 

Materials

Screen Material

Sapphire Glass

Ā 

Hardened Mineral Glass

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Sapphire Glass

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Bezel Material

Grade 5 Titanium Alloy

Ā 

Fiber Reinforced Polymer + Aluminum alloy

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Grade 5 Titanium Alloy with PVD Coating

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Cover Material

Fiber Reinforced Polymer

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Fiber Reinforced Polymer

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Titanium Alloy with PVD Coating

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Band Material

Silicone / Nylon

Ā 

Silicone / Nylon

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Silicone / Nylon

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Watch Band

Width

46mm: 24mm

42mm: 22mm

24mm

Ā 

26mm

Ā 

Size - Nylon

46mm: 140mm - 215mm

42mm: 135mm - 205mm

150mm - 220mm

Ā 

155mm - 225mm

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Size - Silicone

46mm: 140mm - 215mm

42mm: 135mm - 205mm

Ā 

130mm - 210mm

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130mm - 240mm

Ā 

Installation Type

Quick Release

Ā 

Quick Release

Ā 

Quick Fit

Ā 

Design

Buttons & Dials

Digital Dial

Ā 

Back Button

Ā 

Action Button

for shortcuts to your maps, Pins, and more

Digital Dial

Ā 

Back Button

Ā 

Action Button

for shortcuts to your maps, Pins, and more

Digital Dial

Increased Size & Enhanced Durability

Back Button

Ā 

Dedicated Backlight Button

Ā 

Connectivity

Phone

Bluetooth

Ā 

Bluetooth

Ā 

Bluetooth

Ā 

Accessories

Bluetooth

Ā 

Bluetooth

Ā 

Bluetooth

Ā 

Data Sync

Wi-Fi / COROS App

Ā 

Wi-Fi / COROS App

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Wi-Fi / COROS App

Ā 

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 122°F (-20°C to 50°C)

Ā 

-4°F to 122°F (-20°C to 50°C)

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-22°F to 122°F (-30°C to 50°C)

Ā 

Storage Temperature

-4°F to 140°F (-20°C to 60°C)

Ā 

-4°F to 140°F (-20°C to 60°C)

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-22°F to 140°F (-30°C to 60°C)

Ā 

Battery

Standard Full GPS (GPS/QZSS)

—

Ā 

—

Ā 

—

Ā 

—

Ā 

118 Hours

Ā 

32 Hours

with offline music playing

Endurance All Systems (GPS, GLONASS, Galileo, Beidou, QZSS)

46mm:

65 hours

Ā 

17 hours

with offline music playing

42mm:

41 hours

Ā 

11 hours

with offline music playing

—

Ā 

—

Ā 

High All Systems (GPS, GLONASS, Galileo, Beidou, QZSS)

46mm:

65 hours

Ā 

17 hours

with offline music playing

42mm:

34 hours

Ā 

10 hours

with offline music playing

50 hours

Ā 

15 hours

with offline music playing

73 Hours

Ā 

27 Hours

with offline music playing

Max Dual Frequency (GPS, GLONASS, Galileo, Beidou, QZSS)

46mm:

65 hours

Ā 

17 hours

with offline music playing

42mm:

26 hours

Ā 

9 hours

with offline music playing

34 hours

Ā 

14 hours

with offline music playing

43 Hours

Ā 

22 Hours

with offline music playing

Daily Use

46mm: 24 days

42mm: 15 days

22 days

Ā 

36 Days

Ā 

Charging Time

Less Than 2 Hours

Ā 

Less Than 2 Hours

Ā 

Less Than 2 Hours

Ā 

Memory

Internal Memory

32GB

Ā 

32GB

Ā 

32GB

Ā 

Activity Memory

1200 Hours

Estimates based on outdoor activities

1200 Hours

Estimates based on outdoor activities

1200 Hours

Estimates based on outdoor activities

Geo Location

Satellite Systems

GPS, GLONASS, Galileo, Beidou, QZSS

Ā 

GPS, GLONASS, Galileo, Beidou, QZSS

Ā 

GPS, GLONASS, Galileo, Beidou, QZSS

Ā 

GNSS Chipset

All-Satellite Dual-Frequency

Ā 

All-Satellite Dual-Frequency

Ā 

All-Satellite Dual-Frequency

Ā 

Navigation

Map Layer

Landscape (with trail and street names)

Downloadable Global Maps

Topo

Downloadable Global Maps

Landscape (with street names)

Downloadable Global Maps

Topo

Downloadable Global Maps

Landscape

Downloadable Global Maps

Topo

Downloadable Global Maps

Additional Features

Checkpoint

Ā 

Back-To-Start

Ā 

Deviation Alert

Ā 

Touchscreen-Enabled Map Control

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Safety Alerts

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Checkpoint

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Back-To-Start

Ā 

Deviation Alert

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Touchscreen-Enabled Map Control

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Safety Alerts

Ā 

Checkpoint

Ā 

Back-To-Start

Ā 

Deviation Alert

Ā 

Touchscreen-Enabled Map Control

Ā 

Safety Alerts

Ā 

Data Tracking

Sensors

Speaker to take hands-free calls or play activity alerts out-loud.

Ā 

Dual-Microphone with Noise Reduction

to record Voice Pins and use Voice Commands

Optical Heart Rate Monitor

May not work over tattoos

Barometric Altimeter

Ā 

Accelerometer

Ā 

Gyroscope

Ā 

3D Compass

Ā 

Thermometer

Supports body temperature in training (with compatible accessory)

Optical Pulse Oximeter

Ā 

Electrocardiogram Sensor

Ā 

–

Ā 

Dual-Microphone with Noise Reduction

to record Voice Pins and use Voice Commands

Optical Heart Rate Monitor

May not work over tattoos

Barometric Altimeter

Ā 

Accelerometer

Ā 

Gyroscope

Ā 

3D Compass

Ā 

Thermometer

Supports body temperature in training (with compatible accessory)

Optical Pulse Oximeter

Ā 

Electrocardiogram Sensor

Ā 

–

Ā 

–

Ā 

Optical Heart Rate Monitor

May not work over tattoos

Barometric Altimeter

Ā 

Accelerometer

Ā 

Gyroscope

Ā 

3D Compass

Ā 

Thermometer

Supports body temperature in training (with compatible accessory)

Optical Pulse Oximeter

Ā 

Electrocardiogram Sensor

Ā 

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

For cadence, distance, pace, heart rate, power and more metrics

Basic/Advanced Interval Training

Ā 

Pre-planned Workouts

Ā 

Training Plans

Ā 

Running Fitness

Ā 

Resting Heart Rate

Ā 

Underwater Heart Rate

Ā 

Action Camera Control

Supports select GoPro, DJI, Insta360 cameras

Virtual Pacer

Ā 

Virtual Run

Ā 

Running Form Test

Requires COROS POD/POD 2

Altitude Mode

Regular evaluation of SpO2 and fitness when at high altitudes

Touch Scroll

Swipe to scroll data pages during training

Extender

Ā 

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

For cadence, distance, pace, heart rate, power and more metrics

Basic/Advanced Interval Training

Ā 

Pre-planned Workouts

Ā 

Training Plans

Ā 

Running Fitness

Ā 

Resting Heart Rate

Ā 

Underwater Heart Rate

Ā 

Action Camera Control

Supports select GoPro, DJI, Insta360 cameras

Virtual Pacer

Ā 

Virtual Run

Ā 

Running Form Test

Requires COROS POD/POD 2

Altitude Mode

Regular evaluation of SpO2 and fitness when at high altitudes

Touch Scroll

Swipe to scroll data pages during training

Extender

Ā 

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

For cadence, distance, pace, heart rate, power and more metrics

Basic/Advanced Interval Training

Ā 

Pre-planned Workouts

Ā 

Training Plans

Ā 

Running Fitness

Ā 

Resting Heart Rate

Ā 

Underwater Heart Rate

Ā 

Action Camera Control

Supports select GoPro, DJI, Insta360 cameras

Virtual Pacer

Ā 

Virtual Run

Ā 

Running Form Test

Requires COROS POD/POD 2

Altitude Mode

Regular evaluation of SpO2 and fitness when at high altitudes

Touch Scroll

Swipe to scroll data pages during training

Extender

Ā 

Daily Features

Daily Features

Daily Stress

Ā 

Wellness Check

Ā 

Message/Call Alert

Supports daily use and during training

Sleep

with REM tracking

Alarm

Ā 

Timer

Ā 

Stopwatch

Ā 

Daily Alerts

Include active calories, exercise time, storm and more alerts

Updateable Firmware

with Wi-Fi and the COROS app

Find My Phone

Ā 

Find My Watch

Ā 

Always-On Display

Ā 

HRV

Ā 

Music

Plays offline music when paired with supported Bluetooth headsets

Daily Stress

Ā 

Wellness Check

Ā 

Message/Call Alert

Supports daily use and during training

Sleep

with REM tracking

Alarm

Ā 

Timer

Ā 

Stopwatch

Ā 

Daily Alerts

Include active calories, exercise time, storm and more alerts

Updateable Firmware

with Wi-Fi and the COROS app

Find My Phone

Ā 

Find My Watch

Ā 

Always-On Display

Ā 

HRV

Ā 

Music

Plays offline music when paired with supported Bluetooth headsets

Daily Stress

Ā 

Wellness Check

Ā 

Message/Call Alert

Supports daily use and during training

Sleep

with REM tracking

Alarm

Ā 

Timer

Ā 

Stopwatch

Ā 

Daily Alerts

Include active calories, exercise time, storm and more alerts

Updateable Firmware

with Wi-Fi and the COROS app

Find My Phone

Ā 

Find My Watch

Ā 

Backlight Always-On Mode

Ā 

HRV

Ā 

Music

Plays offline music when paired with supported Bluetooth headsets

3rd Party Integration

Compatible Apps

Nike Run Club, Komoot, TrainingPeaks, Strava, Relive, adidas Running, Apple Health, Stryd, Final Surge, Runalyze, Running Quotient, Decathlon

ClickĀ hereĀ for a complete list

Nike Run Club, Komoot, TrainingPeaks, Strava, Relive, adidas Running, Apple Health, Stryd, Final Surge, Runalyze, Running Quotient, Decathlon

ClickĀ hereĀ for a complete list

Nike Run Club, Komoot, TrainingPeaks, Strava, Relive, adidas Running, Apple Health, Stryd, Final Surge, Runalyze, Running Quotient, Decathlon

ClickĀ hereĀ for a complete list

System Languages

Display Language

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

Ā 

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

Ā 

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

Ā 

Supported Activity Modes

Run

Run

Ā 

Indoor Run

Ā 

Track Run

Ā 

Trail Run

Ā 

Run

Ā 

Indoor Run

Ā 

Track Run

Ā 

Trail Run

Ā 

Run

Ā 

Indoor Run

Ā 

Track Run

Ā 

Trail Run

Ā 

Climb

Outdoor Climb

Enhanced data tracking for multi-pitch and big wall climbing

Indoor Climb

Supports indoor lead, top rope, and bouldering with route/fall auto-count

Mountain Climb

Ā 

Bouldering

Ā 

Outdoor Climb

Enhanced data tracking for multi-pitch and big wall climbing

Indoor Climb

Supports indoor lead, top rope, and bouldering with route/fall auto-count

Mountain Climb

Ā 

Bouldering

Ā 

Outdoor Climb

Enhanced data tracking for multi-pitch and big wall climbing

Indoor Climb

Supports indoor lead, top rope, and bouldering with route/fall auto-count

Mountain Climb

Ā 

Bouldering

Ā 

Bike

Bike

Ā 

Indoor Bike

Ā 

Gravel

Ā 

Mountain Bike (MTB)

Ā 

Bike

Ā 

Indoor Bike

Ā 

Gravel

Ā 

Mountain Bike (MTB)

Ā 

Bike

Ā 

Indoor Bike

Ā 

Gravel

Ā 

Mountain Bike (MTB)

Ā 

Water

Open Water

Ā 

Pool Swim

Ā 

Flatwater

Ā 

Rowing

Ā 

Whitewater

Ā 

Speedsurfing

Ā 

Windsurfing

Ā 

Open Water

Ā 

Pool Swim

Ā 

Flatwater

Ā 

Rowing

Ā 

Whitewater

Ā 

Speedsurfing

Ā 

Windsurfing

Ā 

Open Water

Ā 

Pool Swim

Ā 

Flatwater

Ā 

Rowing

Ā 

Whitewater

Ā 

Speedsurfing

Ā 

Windsurfing

Ā 

Snow

Ski

Ā 

Snowboard

Ā 

XC Ski

Ā 

Ski Touring

Ā 

Ski

Ā 

Snowboard

Ā 

XC Ski

Ā 

Ski Touring

Ā 

Ski

Ā 

Snowboard

Ā 

XC Ski

Ā 

Ski Touring

Ā 

Cardio

GPS Cardio

Ā 

Gym Cardio

Ā 

Hike

Ā 

Indoor Rower

Ā 

Walk

Ā 

Jump Rope

Ā 

GPS Cardio

Ā 

Gym Cardio

Ā 

Hike

Ā 

Indoor Rower

Ā 

Walk

Ā 

Jump Rope

Ā 

GPS Cardio

Ā 

Gym Cardio

Ā 

Hike

Ā 

Indoor Rower

Ā 

Walk

Ā 

Jump Rope

Ā 

Other

Triathlon

Ā 

Multisport

Ā 

Strength

Ā 

Pickleball

Ā 

Padel

Ā 

Training

Ā 

Training Plan

Ā 

Triathlon

Ā 

Multisport

Ā 

Strength

Ā 

Pickleball

Ā 

Padel

Ā 

Training

Ā 

Training Plan

Ā 

Triathlon

Ā 

Multisport

Ā 

Strength

Ā 

Pickleball

Ā 

Padel

Ā 

Training

Ā 

Training Plan

Ā