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Coros Pace 4 43mm Waterproof Smartwatch with Heart Rate Monitor (Black Silicone Strap)
Smartwatches

Coros Pace 4 43mm Waterproof Smartwatch with Heart Rate Monitor (Black Silicone Strap)

Key features:

  • Model 2025
  • 1.2" AMOLED Touchscreen
  • Battery life up to 456 hours
  • GPS
  • Waterproof 5 ATM
See full description

  • Battery Life

    Battery life shows how many days the smartwatch can operate without charging.


    It depends on the battery capacity, but also on how much you use it (e.g. active display, GPS, notifications, etc.).


    For example, a smartwatch with 2-3 days of battery life is ideal for daily use with all features enabled.


    Models with 5–10 days or more are suitable for those who do not want to charge often or use it more "lightly".


    The value is especially meaningful when comparing products from the same manufacturer.

  • Display Type

    AMOLED

    Advanced OLED screen type with better visual experience, almost perfect black performance, thin and light but with higher energy consumption than Super AMOLED.

  • 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
Product report

Description

Description

The Coros Pace 4 redefines training. Weighing only 40g, with an AMOLED display and 41-hour GPS battery life, it is built for speed. It features USB-C charging, advanced tools like Virtual Pacer, and the ability to take voice notes for a complete athletic experience.

Ultralight Design & AMOLED Display

Designed for absolute freedom, the Pace 4 weighs just 40 grams (with the nylon strap), making it even lighter than an energy gel. The new 1.2" AMOLED touchscreen features 164% higher resolution compared to its predecessor, offering crystal clear clarity and vivid colors in any lighting condition.

Long-lasting Battery

Autonomy is your ally. Enjoy up to 19 days of daily use (including sleep tracking) or 41 hours of continuous recording in GPS mode. This means you can complete long distances and multi-day workouts without the stress of charging.

Ease of Charging & Handling

Charging is simplified thanks to the new USB-C adapter, allowing you to use a common cable for your devices. Additionally, the special Action Button offers effortless control, enabling instant switching between data screens, music control, and navigation.

Advanced Training Tools

Run smarter with tools that enhance your performance. The watch offers Breadcrumb Navigation for safe navigation, Virtual Pacer to maintain your pace, as well as race predictions. You can also follow personalized marathon plans to achieve your goals.

Voice Functions & Recording

Record every detail effortlessly. With the Voice Recording tool, you can take voice notes immediately after your workout. The Drop a Pin feature allows you to save specific voice memos and thoughts about where you were and how you felt during your route.

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
390x390 pixels
Screen Type
AMOLED

Screen Type

AMOLED

Advanced OLED screen type with better visual experience, almost perfect black performance, thin and light but with higher energy consumption than Super AMOLED.
Compatible Operating System
Android, iOS

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
4 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

Connection

Bluetooth
The basic way to connect your smartwatch to your mobile phone and other supported devices, such as wireless headphones.
Strap
Silicone
Case material
-

Features & Functions

Features
Microphone

Features

Microphone
For voice commands or speech.
Features & Functions
Voice Control

Features & Functions

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
Hiking, Cycling, Running, Triathlon

Use

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

Additional Specifications

Sensors
GPS, Altimeter, Barometer, Pedometer, Gyroscope, Accelerometer, Calorimeter, 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.
Pedometer

Recording steps and distance.

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.
Calorimeter

Calculates how many calories you have consumed each day.

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
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

Battery Life
19 days

Battery Life

Battery life shows how many days the smartwatch can operate without charging.


It depends on the battery capacity, but also on how much you use it (e.g. active display, GPS, notifications, etc.).


For example, a smartwatch with 2-3 days of battery life is ideal for daily use with all features enabled.


Models with 5–10 days or more are suitable for those who do not want to charge often or use it more "lightly".


The value is especially meaningful when comparing products from the same manufacturer.

Dimensions

Case Size
43 mm

Case Size

43
This size is usually intended for fruits with a circumference of 16.5-19cm.
Weight
40 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

Reviews (9)

Reviews

5.0
9
5.0
Review this product
  1. 9
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1 star
    0
Review this product

Reviews by our members

  • vassbak
    5
    vassbak
    This review is about the colour: White

    The watch doesn’t exist. I’m absolutely thrilled; I’ll start with the negatives.
    Negative review: Small screen. That’s all it has.
    Positive review: Whatever it does, it does perfectly. It seems to have been designed and implemented so that it doesn’t confuse you and gives you the best information you need. It’s the first time I haven’t even needed to change the data fields. It’s a Garmin, but 10 times better and 30 times more structured. I have tried to merge the calendar with the training program I have in Stryd and TrainingPeaks, and everything works like clockwork (haha). Also, while you are training, you can add Navigation Mode and see where you are on the map or see where you are in elevation. It also has everything a Garmin has (Pace Strategy), but it has refined it and doesn’t confuse you, which is very important for someone who doesn’t want to waste time searching. I own a Garmin Epix and an Apple Watch. The Apple Watch is great too, but the battery doesn’t last, and that’s why I chose something so I wouldn’t have to look for a charger to do my workout.
    You will see that even the gym workout is so well structured that it is perhaps the only watch you can trust.
    15 stars from me.

    Translated from Greek ·
    Did you find this review helpful?
  • malliast97
    5
    malliast97

    Verified purchase

    It does exactly what you read in its description. The heart rate readings are reliable (checked during a stress test and it loses 1 to 2 beats) for a wrist sensor. It is very lightweight. The battery, with notifications on and GPS about 3 times a week, lasts about 12 days (I charged it twice a little below 30% because of running that day). I haven't tried the training plans - preparation programs it has (which I will come back to), for which it was purchased (in Garmin the price was about 100 euros higher). The Coros app is very good (I haven't used Garmin or Suunto). For someone starting running and wanting a reliable watch for measurements at an affordable price, it's worth it.

    Translated from Greek ·
    Did you find this review helpful?
  • Chris14
    5
    2 out of 2 members found this review helpful
    Chris14

    Verified purchase

    After the Garmin 45, the change was huge. It is amazing. Immediate connection to satellites, accuracy in measurements, and a huge variety of running and workout trainings. Simply perfect.

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    Nikolas_Papagiannopoulos8766

    Fantastic watch for all uses

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    3 out of 3 members found this review helpful
    irish rover
    This review is about the colour: White

    By far the best sports watch ever released under $300

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    kosmatosnikos

    Verified purchase

  • 5
    Alej_Kallis

    Verified purchase

  • 5
    Mike_Tsampi

    Verified purchase

  • 5
    szss1908

    Verified purchase

    This review is about the colour: White

  • vassbak
    5
    vassbak

    The watch doesn’t exist. I’m absolutely thrilled; I’ll start with the negatives.
    Negative review: Small screen. That’s all it has.
    Positive review: Whatever it does, it does perfectly. It seems to have been designed and implemented so that it doesn’t confuse you and gives you the best information you need. It’s the first time I haven’t even needed to change the data fields. It’s a Garmin, but 10 times better and 30 times more structured. I have tried to merge the calendar with the training program I have in Stryd and TrainingPeaks, and everything works like clockwork (haha). Also, while you are training, you can add Navigation Mode and see where you are on the map or see where you are in elevation. It also has everything a Garmin has (Pace Strategy), but it has refined it and doesn’t confuse you, which is very important for someone who doesn’t want to waste time searching. I own a Garmin Epix and an Apple Watch. The Apple Watch is great too, but the battery doesn’t last, and that’s why I chose something so I wouldn’t have to look for a charger to do my workout.
    You will see that even the gym workout is so well structured that it is perhaps the only watch you can trust.
    15 stars from me.

    Translated from Greek ·
    0
  • malliast97
    5
    malliast97

    It does exactly what you read in its description. The heart rate readings are reliable (checked during a stress test and it loses 1 to 2 beats) for a wrist sensor. It is very lightweight. The battery, with notifications on and GPS about 3 times a week, lasts about 12 days (I charged it twice a little below 30% because of running that day). I haven't tried the training plans - preparation programs it has (which I will come back to), for which it was purchased (in Garmin the price was about 100 euros higher). The Coros app is very good (I haven't used Garmin or Suunto). For someone starting running and wanting a reliable watch for measurements at an affordable price, it's worth it.

    Translated from Greek ·
    0
  • Chris14
    5
    Chris14

    After the Garmin 45, the change was huge. It is amazing. Immediate connection to satellites, accuracy in measurements, and a huge variety of running and workout trainings. Simply perfect.

    Translated from Greek ·
    2
  • 5
    Nikolas_Papagiannopoulos8766

    Fantastic watch for all uses

    Translated from Greek ·
    0
  • 5
    irish rover

    By far the best sports watch ever released under $300

    Translated from Greek ·
    3
  • See all

Description & Specifications

The Coros Pace 4 redefines training. Weighing only 40g, with an AMOLED display and 41-hour GPS battery life, it is built for speed. It features USB-C charging, advanced tools like Virtual Pacer, and the ability to take voice notes for a complete athletic experience.

Ultralight Design & AMOLED Display

Designed for absolute freedom, the Pace 4 weighs just 40 grams (with the nylon strap), making it even lighter than an energy gel. The new 1.2" AMOLED touchscreen features 164% higher resolution compared to its predecessor, offering crystal clear clarity and vivid colors in any lighting condition.

Long-lasting Battery

Autonomy is your ally. Enjoy up to 19 days of daily use (including sleep tracking) or 41 hours of continuous recording in GPS mode. This means you can complete long distances and multi-day workouts without the stress of charging.

Ease of Charging & Handling

Charging is simplified thanks to the new USB-C adapter, allowing you to use a common cable for your devices. Additionally, the special Action Button offers effortless control, enabling instant switching between data screens, music control, and navigation.

Advanced Training Tools

Run smarter with tools that enhance your performance. The watch offers Breadcrumb Navigation for safe navigation, Virtual Pacer to maintain your pace, as well as race predictions. You can also follow personalized marathon plans to achieve your goals.

Voice Functions & Recording

Record every detail effortlessly. With the Voice Recording tool, you can take voice notes immediately after your workout. The Drop a Pin feature allows you to save specific voice memos and thoughts about where you were and how you felt during your route.

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
390x390 pixels
Screen Type
AMOLED

Screen Type

AMOLED

Advanced OLED screen type with better visual experience, almost perfect black performance, thin and light but with higher energy consumption than Super AMOLED.
Compatible Operating System
Android, iOS

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
4 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

Connection

Bluetooth
The basic way to connect your smartwatch to your mobile phone and other supported devices, such as wireless headphones.
Strap
Silicone
Case material
-

Features & Functions

Features
Microphone

Features

Microphone
For voice commands or speech.
Features & Functions
Voice Control

Features & Functions

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
Hiking, Cycling, Running, Triathlon

Use

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

Additional Specifications

Sensors
GPS, Altimeter, Barometer, Pedometer, Gyroscope, Accelerometer, Calorimeter, 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.
Pedometer

Recording steps and distance.

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.
Calorimeter

Calculates how many calories you have consumed each day.

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
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

Battery Life
19 days

Battery Life

Battery life shows how many days the smartwatch can operate without charging.


It depends on the battery capacity, but also on how much you use it (e.g. active display, GPS, notifications, etc.).


For example, a smartwatch with 2-3 days of battery life is ideal for daily use with all features enabled.


Models with 5–10 days or more are suitable for those who do not want to charge often or use it more "lightly".


The value is especially meaningful when comparing products from the same manufacturer.

Dimensions

Case Size
43 mm

Case Size

43
This size is usually intended for fruits with a circumference of 16.5-19cm.
Weight
40 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.

Reviews (9)

5.0
9
5.0
Review this product
  1. 9
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1 star
    0
Review this product

Reviews by our members

  • vassbak
    5
    vassbak
    This review is about the colour: White

    The watch doesn’t exist. I’m absolutely thrilled; I’ll start with the negatives.
    Negative review: Small screen. That’s all it has.
    Positive review: Whatever it does, it does perfectly. It seems to have been designed and implemented so that it doesn’t confuse you and gives you the best information you need. It’s the first time I haven’t even needed to change the data fields. It’s a Garmin, but 10 times better and 30 times more structured. I have tried to merge the calendar with the training program I have in Stryd and TrainingPeaks, and everything works like clockwork (haha). Also, while you are training, you can add Navigation Mode and see where you are on the map or see where you are in elevation. It also has everything a Garmin has (Pace Strategy), but it has refined it and doesn’t confuse you, which is very important for someone who doesn’t want to waste time searching. I own a Garmin Epix and an Apple Watch. The Apple Watch is great too, but the battery doesn’t last, and that’s why I chose something so I wouldn’t have to look for a charger to do my workout.
    You will see that even the gym workout is so well structured that it is perhaps the only watch you can trust.
    15 stars from me.

    Translated from Greek ·
    Did you find this review helpful?
  • malliast97
    5
    malliast97

    Verified purchase

    It does exactly what you read in its description. The heart rate readings are reliable (checked during a stress test and it loses 1 to 2 beats) for a wrist sensor. It is very lightweight. The battery, with notifications on and GPS about 3 times a week, lasts about 12 days (I charged it twice a little below 30% because of running that day). I haven't tried the training plans - preparation programs it has (which I will come back to), for which it was purchased (in Garmin the price was about 100 euros higher). The Coros app is very good (I haven't used Garmin or Suunto). For someone starting running and wanting a reliable watch for measurements at an affordable price, it's worth it.

    Translated from Greek ·
    Did you find this review helpful?
  • Chris14
    5
    2 out of 2 members found this review helpful
    Chris14

    Verified purchase

    After the Garmin 45, the change was huge. It is amazing. Immediate connection to satellites, accuracy in measurements, and a huge variety of running and workout trainings. Simply perfect.

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    Nikolas_Papagiannopoulos8766

    Fantastic watch for all uses

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    3 out of 3 members found this review helpful
    irish rover
    This review is about the colour: White

    By far the best sports watch ever released under $300

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    kosmatosnikos

    Verified purchase

  • 5
    Alej_Kallis

    Verified purchase

  • 5
    Mike_Tsampi

    Verified purchase

  • 5
    szss1908

    Verified purchase

    This review is about the colour: White

  • vassbak
    5
    vassbak

    The watch doesn’t exist. I’m absolutely thrilled; I’ll start with the negatives.
    Negative review: Small screen. That’s all it has.
    Positive review: Whatever it does, it does perfectly. It seems to have been designed and implemented so that it doesn’t confuse you and gives you the best information you need. It’s the first time I haven’t even needed to change the data fields. It’s a Garmin, but 10 times better and 30 times more structured. I have tried to merge the calendar with the training program I have in Stryd and TrainingPeaks, and everything works like clockwork (haha). Also, while you are training, you can add Navigation Mode and see where you are on the map or see where you are in elevation. It also has everything a Garmin has (Pace Strategy), but it has refined it and doesn’t confuse you, which is very important for someone who doesn’t want to waste time searching. I own a Garmin Epix and an Apple Watch. The Apple Watch is great too, but the battery doesn’t last, and that’s why I chose something so I wouldn’t have to look for a charger to do my workout.
    You will see that even the gym workout is so well structured that it is perhaps the only watch you can trust.
    15 stars from me.

    Translated from Greek ·
    0
  • malliast97
    5
    malliast97

    It does exactly what you read in its description. The heart rate readings are reliable (checked during a stress test and it loses 1 to 2 beats) for a wrist sensor. It is very lightweight. The battery, with notifications on and GPS about 3 times a week, lasts about 12 days (I charged it twice a little below 30% because of running that day). I haven't tried the training plans - preparation programs it has (which I will come back to), for which it was purchased (in Garmin the price was about 100 euros higher). The Coros app is very good (I haven't used Garmin or Suunto). For someone starting running and wanting a reliable watch for measurements at an affordable price, it's worth it.

    Translated from Greek ·
    0
  • Chris14
    5
    Chris14

    After the Garmin 45, the change was huge. It is amazing. Immediate connection to satellites, accuracy in measurements, and a huge variety of running and workout trainings. Simply perfect.

    Translated from Greek ·
    2
  • 5
    Nikolas_Papagiannopoulos8766

    Fantastic watch for all uses

    Translated from Greek ·
    0
  • 5
    irish rover

    By far the best sports watch ever released under $300

    Translated from Greek ·
    3
  • See all
269,00 €
14,00 €   shipping cost