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Coros Apex 4 Titanium 42mm Waterproof Smartwatch with Heart Rate Monitor (Black)
Smartwatches

Coros Apex 4 Titanium 42mm Waterproof Smartwatch with Heart Rate Monitor (Black)

Key features:

  • Titanium bezel & sapphire
  • Up to 65 hours of use
  • Topo maps & navigation
  • HRV & recovery tracking
  • Durable for every adventure
See full description

  • Display Type

    MIP

    MIP screens consume minimal energy and remain visible in bright sunlight, making them ideal for smartwatches focused on battery life and outdoor sports activities.

  • Waterproof

    Pool Swimming

    Equipped with a high level of waterproofing, the smartwatch can be comfortably used during pool swimming. Track your performance in the water without worrying about the safety of the device.
  • See all

Case size

  1. 42 mm

    from 449,00 €

  2. 46 mm

    from 499,00 €

449 00 €
Delivery Fri, 10 Jul - Tue, 14 Jul
14,95 €   shipping cost
Shipping costs are determined by the store, which also undertakes the shipment
Sent from Cyprus
From Running in Cyprus
Cyprus
3 pieces
See Wearables on the page of Running in Cyprus
Review the product
Product report

Description

Description

The COROS APEX 4 redefines the limits of sports technology. With a Grade 5 titanium construction and sapphire crystal protection, it is ready for the toughest conditions. It features an impressive 65-hour battery life and dual-frequency GPS for absolute accuracy. Equipped with a speaker and microphone, it allows calls and voice notes on the go. The built-in offline maps and advanced health sensors (ECG, HRV) give you full control. It is the ideal tool for trail runners, mountaineers, and endurance athletes who do not compromise. Discover the next generation of multisport watches with the signature of COROS.

Unmatched Durability with Grade 5 Titanium

The COROS APEX 4 is built to withstand the most hostile environments on the planet.
The bezel and body made of Grade 5 titanium offer twice the durability compared to regular titanium.
The sapphire crystal on the screen guarantees no scratches from rocks or equipment.
It has been tested in extreme temperatures from -20°C to 50°C without any loss of performance.
Its rugged construction is accompanied by 5 ATM water resistance for action in water and mud.
It is the ultimate companion for every mountain expedition, offering safety and confidence.
A watch that remains intact where others stop.

1.2" 3rd Generation MIP Display for Perfect Visibility

The new 1.2" MIP technology screen offers the best possible outdoor viewing experience.
The 3rd generation panel ensures intense contrast and vivid colors even under sunlight.
The Always-on feature allows you to check your data with a quick glance without moving your wrist.
The screen design reduces reflections, making it ideal for ski resorts or deserts.
The touch response is optimized for use even with wet fingers.
It is protected by a special coating that repels fingerprints and dust.
Each pixel is designed to provide you with information with maximum clarity.

Battery Life That Breaks the Limits

With the APEX 4, charging is the last thing you'll worry about on your adventures.
The battery offers up to 41 hours of continuous recording.
In typical daily use, the watch can stay active for over 15 days.
Even with dual-frequency GPS usage, battery life remains best in class.
Fast charging allows you to fully recharge the battery in less than two hours.
Ideal for multi-day mountain missions where access to power is impossible.
Maximize your training time and minimize waiting by the outlet.

Dual-Frequency GPS for Absolute Positioning Accuracy

The dual-frequency GPS technology allows the APEX 4 to lock onto satellites within seconds.
It ensures uninterrupted tracking even among tall skyscrapers or deep canyons.
It connects simultaneously to GPS, GLONASS, Galileo, Beidou, and QZSS systems.
The offline global maps allow you to navigate safely without a mobile signal.
The Turn-by-Turn function alerts you to every turn on your route.
The watch features a digital compass and barometric altimeter for complete geographic control.
Never lose your way, no matter how far you decide to go.

Communication Without Limits with Speaker and Microphone

The APEX 4 is the first in the series to incorporate a high-fidelity speaker and microphone.
Connect it to your mobile phone via Bluetooth and make calls directly from your wrist.
The Voice Pins feature allows you to leave voice notes at specific points along your route.
Receive voice notifications about your workout progress without looking at the screen.
The microphone features noise reduction technology for clear speech even in strong wind.
It is a function that adds an extra level of safety and convenience to your outings.
Stay connected to the world, even when you are in the middle of your route.

Advanced Health Monitoring and ECG

Take care of your body with the most advanced heart rate sensor ever made by COROS.
The Electrocardiogram (ECG) function allows you to monitor your heart at any time.
The measurement of heart rate variability (HRV) calculates your fatigue and recovery levels.
The Pulse Ox sensor monitors blood oxygen, crucial for altitude adaptation.
It accurately records all stages of your sleep, from light to deep sleep and the REM phase.
Receive daily data on your stress and body energy.
Your health is the foundation of your performance, and the APEX 4 continuously takes care of it.

Adventure Journal and 3D Route Visualization

Keep every moment of your adventures alive with the new Adventure Journal.
Combine your route data with voice notes and photos from your phone.
The 3D Flyover feature creates an impressive video of your route to share.
With 32GB of internal memory, you can store thousands of hours of activities and music.
The COROS app offers deep analysis of your technique, from running to climbing.
Create training plans and sync them automatically with your watch.
Your adventure doesn’t end at the finish line, but continues in its digital revival.

Ergonomic Design and All-Day Comfort

Despite its enormous capabilities, the APEX 4 remains one of the lightest watches on the market.
The use of titanium allows for weight reduction without sacrificing structural integrity.
The nylon strap offers excellent breathability and dries quickly after sweating or swimming.
The digital crown is larger for easy handling even with thick gloves.
The lug design ensures the watch sits firmly on the wrist for accurate measurements.
It is so comfortable that you can wear it while sleeping or at the office without feeling it.
A combination of top aesthetics and functionality that you will love.

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Technical Specifications

Colour
Black
Release Date
2025
Screen Size
1.2 "

Screen Size

"The design and size of the casing affect how each screen size appears on the wrist. Most smartwatches have screens of 1.4-1.5 inches."
Screen Resolution
240x240 pixels
Screen Type
MIP

Screen Type

MIP

MIP screens consume minimal energy and remain visible in bright sunlight, making them ideal for smartwatches focused on battery life and outdoor sports activities.
Compatible Operating System
Android

Compatible Operating System

The smartphone must be compatible with the watch. Apple Watches only connect with iPhones, while some others can connect with both Android and iPhones, but some functions may not be fully supported.
Touch Screen
Yes
Internal Storage
32 GB

Internal Storage

The amount of information that can be stored on a smartwatch. Most modern smartwatches have a capacity of 32GB, while older or simpler smartwatches may have 4GB of internal memory. This space is mainly used for storing applications. It is particularly useful for smartwatches that can be used independently of a mobile phone, for example, for storing and playing music.
Connection
Bluetooth, Wi-Fi

Connection

Bluetooth
The basic way to connect your smartwatch to your mobile phone and other supported devices, such as wireless headphones.
Wi-Fi

Ability to connect to wireless networks for internet access through the smartwatch.
Strap
Silicone
Case material
Titanium

Case material

Titanium

It offers almost the same resistance to scratches, impacts, and rust as stainless steel but with much less weight.

Features & Functions

Features
Vibration, Speaker, Microphone

Features

Speaker

Playback of multimedia, notification sounds, or voice.

Microphone
For voice commands or speech.
Features & Functions
Email, SMS, Caller ID, Application / Calls Notification, Voice Control

Features & Functions

Email
You can read the emails you receive on your smartwatch.
SMS
The smartwatch can display SMS messages.
Caller ID

The smartwatch can display the name of the contact who is calling.

Application / Calls Notification

The smartwatch has the ability to transfer notifications from our mobile phone applications such as receiving SMS, Email or a notification from a social media application. Depending on the smartwatch, we may also be able to read it directly from it.

Voice Control
Control the watch with voice commands using the digital assistant of your mobile or installed on the watch. (Siri, Google Assistant, Alexa).
Use
Misc Sports / Gym, Swimming, Climbing, Hiking, Cycling, Running

Use

The smartwatch has the ability to record the corresponding activity and produce relevant statistics.

Additional Specifications

Sensors
GPS, Altimeter, Barometer, Gyroscope, Accelerometer, Electrocardiogram, Thermometer, Heart Rate, Oximeter, Sleep Monitoring, Compass

Sensors

GPS
Technology that allows for the detection of geographic location via satellite. Particularly useful for navigation through map applications such as Google Maps.
Altimeter
Like a barometer, an altimeter measures atmospheric pressure by translating it into altitude, aiding in faster GPS location detection for navigation applications, as well as tracking how many floors we have climbed for health applications.
Barometer
It measures atmospheric pressure to assist in faster GPS location detection for navigation applications, as well as tracking the number of floors climbed for health applications.
Gyroscope
A sensor that helps the device know its position in space. For example, it allows the device to understand when we turn our wrist to look at the screen.
Accelerometer
This sensor allows the device to perceive changes in acceleration. For example, with this sensor, it can count the steps we take when wearing it.
Thermometer
The device has a built-in thermometer.
Heart Rate

Embedded heart rate monitor.

Oximeter

Measure the amount of oxygen in the blood.

Sleep Monitoring

Recording of heart rate and breathing during sleep and diagnosis of problems according to the product. (e.g. restless sleep, lack of deep sleep, etc.)

Compass
Updates our device with its orientation, assisting in the use of navigation applications such as Google Maps.
Protection
Splash Resistant, Dust Resistant, Scratch Resistant
ATM Rating
5 ATM

ATM Rating

The ATM rating on smartwatches indicates their level of water resistance, which tells how well the watch can withstand exposure to water and various pressure levels.

3 ATM (30 meters): Suitable for everyday splashes, rain, and hand washing.

5 ATM (50 meters): Light swimming, showering.

10 ATM (100 meters): Swimming, snorkeling, water sports.

15 ATM (150 meters): Advanced swimming, water sports.

20 ATM (200 meters): Diving, deep water activities.

50 ATM (500 meters): Professional diving, excellent water resistance.
Waterproof
Pool Swimming

Waterproof

Pool Swimming

Equipped with a high level of waterproofing, the smartwatch can be comfortably used during pool swimming. Track your performance in the water without worrying about the safety of the device.
MIL-STD-810
No

Battery

Standby Time
26 days

Standby Time

The amount of time a smartwatch can operate in standby mode, simply connected to a mobile phone with one charge. A typical average is 12 days, but it depends on what each manufacturer defines as standby mode. Size makes sense mainly in comparing products from the same manufacturer.

Dimensions

Case Size
42 mm

Case Size

42
This size is usually intended for fruits with a circumference of 16.5-19cm.
Weight
44 gr

AI Features

AI Voice Assistant
No
AI Training Coach
-
AI Health Insights
-

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Description & Specifications

The COROS APEX 4 redefines the limits of sports technology. With a Grade 5 titanium construction and sapphire crystal protection, it is ready for the toughest conditions. It features an impressive 65-hour battery life and dual-frequency GPS for absolute accuracy. Equipped with a speaker and microphone, it allows calls and voice notes on the go. The built-in offline maps and advanced health sensors (ECG, HRV) give you full control. It is the ideal tool for trail runners, mountaineers, and endurance athletes who do not compromise. Discover the next generation of multisport watches with the signature of COROS.

Unmatched Durability with Grade 5 Titanium

The COROS APEX 4 is built to withstand the most hostile environments on the planet.
The bezel and body made of Grade 5 titanium offer twice the durability compared to regular titanium.
The sapphire crystal on the screen guarantees no scratches from rocks or equipment.
It has been tested in extreme temperatures from -20°C to 50°C without any loss of performance.
Its rugged construction is accompanied by 5 ATM water resistance for action in water and mud.
It is the ultimate companion for every mountain expedition, offering safety and confidence.
A watch that remains intact where others stop.

1.2" 3rd Generation MIP Display for Perfect Visibility

The new 1.2" MIP technology screen offers the best possible outdoor viewing experience.
The 3rd generation panel ensures intense contrast and vivid colors even under sunlight.
The Always-on feature allows you to check your data with a quick glance without moving your wrist.
The screen design reduces reflections, making it ideal for ski resorts or deserts.
The touch response is optimized for use even with wet fingers.
It is protected by a special coating that repels fingerprints and dust.
Each pixel is designed to provide you with information with maximum clarity.

Battery Life That Breaks the Limits

With the APEX 4, charging is the last thing you'll worry about on your adventures.
The battery offers up to 41 hours of continuous recording.
In typical daily use, the watch can stay active for over 15 days.
Even with dual-frequency GPS usage, battery life remains best in class.
Fast charging allows you to fully recharge the battery in less than two hours.
Ideal for multi-day mountain missions where access to power is impossible.
Maximize your training time and minimize waiting by the outlet.

Dual-Frequency GPS for Absolute Positioning Accuracy

The dual-frequency GPS technology allows the APEX 4 to lock onto satellites within seconds.
It ensures uninterrupted tracking even among tall skyscrapers or deep canyons.
It connects simultaneously to GPS, GLONASS, Galileo, Beidou, and QZSS systems.
The offline global maps allow you to navigate safely without a mobile signal.
The Turn-by-Turn function alerts you to every turn on your route.
The watch features a digital compass and barometric altimeter for complete geographic control.
Never lose your way, no matter how far you decide to go.

Communication Without Limits with Speaker and Microphone

The APEX 4 is the first in the series to incorporate a high-fidelity speaker and microphone.
Connect it to your mobile phone via Bluetooth and make calls directly from your wrist.
The Voice Pins feature allows you to leave voice notes at specific points along your route.
Receive voice notifications about your workout progress without looking at the screen.
The microphone features noise reduction technology for clear speech even in strong wind.
It is a function that adds an extra level of safety and convenience to your outings.
Stay connected to the world, even when you are in the middle of your route.

Advanced Health Monitoring and ECG

Take care of your body with the most advanced heart rate sensor ever made by COROS.
The Electrocardiogram (ECG) function allows you to monitor your heart at any time.
The measurement of heart rate variability (HRV) calculates your fatigue and recovery levels.
The Pulse Ox sensor monitors blood oxygen, crucial for altitude adaptation.
It accurately records all stages of your sleep, from light to deep sleep and the REM phase.
Receive daily data on your stress and body energy.
Your health is the foundation of your performance, and the APEX 4 continuously takes care of it.

Adventure Journal and 3D Route Visualization

Keep every moment of your adventures alive with the new Adventure Journal.
Combine your route data with voice notes and photos from your phone.
The 3D Flyover feature creates an impressive video of your route to share.
With 32GB of internal memory, you can store thousands of hours of activities and music.
The COROS app offers deep analysis of your technique, from running to climbing.
Create training plans and sync them automatically with your watch.
Your adventure doesn’t end at the finish line, but continues in its digital revival.

Ergonomic Design and All-Day Comfort

Despite its enormous capabilities, the APEX 4 remains one of the lightest watches on the market.
The use of titanium allows for weight reduction without sacrificing structural integrity.
The nylon strap offers excellent breathability and dries quickly after sweating or swimming.
The digital crown is larger for easy handling even with thick gloves.
The lug design ensures the watch sits firmly on the wrist for accurate measurements.
It is so comfortable that you can wear it while sleeping or at the office without feeling it.
A combination of top aesthetics and functionality that you will love.

Manufacturer

Manufacturer Details

Warnings & Safety Information

Technical Specifications

Colour
Black
Release Date
2025
Screen Size
1.2 "

Screen Size

"The design and size of the casing affect how each screen size appears on the wrist. Most smartwatches have screens of 1.4-1.5 inches."
Screen Resolution
240x240 pixels
Screen Type
MIP

Screen Type

MIP

MIP screens consume minimal energy and remain visible in bright sunlight, making them ideal for smartwatches focused on battery life and outdoor sports activities.
Compatible Operating System
Android

Compatible Operating System

The smartphone must be compatible with the watch. Apple Watches only connect with iPhones, while some others can connect with both Android and iPhones, but some functions may not be fully supported.
Touch Screen
Yes
Internal Storage
32 GB

Internal Storage

The amount of information that can be stored on a smartwatch. Most modern smartwatches have a capacity of 32GB, while older or simpler smartwatches may have 4GB of internal memory. This space is mainly used for storing applications. It is particularly useful for smartwatches that can be used independently of a mobile phone, for example, for storing and playing music.
Connection
Bluetooth, Wi-Fi

Connection

Bluetooth
The basic way to connect your smartwatch to your mobile phone and other supported devices, such as wireless headphones.
Wi-Fi

Ability to connect to wireless networks for internet access through the smartwatch.
Strap
Silicone
Case material
Titanium

Case material

Titanium

It offers almost the same resistance to scratches, impacts, and rust as stainless steel but with much less weight.

Features & Functions

Features
Vibration, Speaker, Microphone

Features

Speaker

Playback of multimedia, notification sounds, or voice.

Microphone
For voice commands or speech.
Features & Functions
Email, SMS, Caller ID, Application / Calls Notification, Voice Control

Features & Functions

Email
You can read the emails you receive on your smartwatch.
SMS
The smartwatch can display SMS messages.
Caller ID

The smartwatch can display the name of the contact who is calling.

Application / Calls Notification

The smartwatch has the ability to transfer notifications from our mobile phone applications such as receiving SMS, Email or a notification from a social media application. Depending on the smartwatch, we may also be able to read it directly from it.

Voice Control
Control the watch with voice commands using the digital assistant of your mobile or installed on the watch. (Siri, Google Assistant, Alexa).
Use
Misc Sports / Gym, Swimming, Climbing, Hiking, Cycling, Running

Use

The smartwatch has the ability to record the corresponding activity and produce relevant statistics.

Additional Specifications

Sensors
GPS, Altimeter, Barometer, Gyroscope, Accelerometer, Electrocardiogram, Thermometer, Heart Rate, Oximeter, Sleep Monitoring, Compass

Sensors

GPS
Technology that allows for the detection of geographic location via satellite. Particularly useful for navigation through map applications such as Google Maps.
Altimeter
Like a barometer, an altimeter measures atmospheric pressure by translating it into altitude, aiding in faster GPS location detection for navigation applications, as well as tracking how many floors we have climbed for health applications.
Barometer
It measures atmospheric pressure to assist in faster GPS location detection for navigation applications, as well as tracking the number of floors climbed for health applications.
Gyroscope
A sensor that helps the device know its position in space. For example, it allows the device to understand when we turn our wrist to look at the screen.
Accelerometer
This sensor allows the device to perceive changes in acceleration. For example, with this sensor, it can count the steps we take when wearing it.
Thermometer
The device has a built-in thermometer.
Heart Rate

Embedded heart rate monitor.

Oximeter

Measure the amount of oxygen in the blood.

Sleep Monitoring

Recording of heart rate and breathing during sleep and diagnosis of problems according to the product. (e.g. restless sleep, lack of deep sleep, etc.)

Compass
Updates our device with its orientation, assisting in the use of navigation applications such as Google Maps.
Protection
Splash Resistant, Dust Resistant, Scratch Resistant
ATM Rating
5 ATM

ATM Rating

The ATM rating on smartwatches indicates their level of water resistance, which tells how well the watch can withstand exposure to water and various pressure levels.

3 ATM (30 meters): Suitable for everyday splashes, rain, and hand washing.

5 ATM (50 meters): Light swimming, showering.

10 ATM (100 meters): Swimming, snorkeling, water sports.

15 ATM (150 meters): Advanced swimming, water sports.

20 ATM (200 meters): Diving, deep water activities.

50 ATM (500 meters): Professional diving, excellent water resistance.
Waterproof
Pool Swimming

Waterproof

Pool Swimming

Equipped with a high level of waterproofing, the smartwatch can be comfortably used during pool swimming. Track your performance in the water without worrying about the safety of the device.
MIL-STD-810
No

Battery

Standby Time
26 days

Standby Time

The amount of time a smartwatch can operate in standby mode, simply connected to a mobile phone with one charge. A typical average is 12 days, but it depends on what each manufacturer defines as standby mode. Size makes sense mainly in comparing products from the same manufacturer.

Dimensions

Case Size
42 mm

Case Size

42
This size is usually intended for fruits with a circumference of 16.5-19cm.
Weight
44 gr

AI Features

AI Voice Assistant
No
AI Training Coach
-
AI Health Insights
-

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

449,00 €
14,95 €   shipping cost