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Watch Ultimate 2 Stainless Steel 48mm Waterproof with SIM and Heart Rate Monitor (Black)
Smartwatches

Watch Ultimate 2 Stainless Steel 48mm Waterproof with SIM and Heart Rate Monitor (Black)

Key features:

  • Model 2025
  • Diving technology 150 meters
  • Underwater Communication with Sonar
  • Liquid Metal Body
  • X-TAP multi-sensor
  • Expedition mode
See full description

Top specs

  • 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

    Sea Swimming

    The smartwatch offers enhanced durability so you can wear it in the sea. Resistant to saltwater and tough marine conditions, it is the ideal companion for your summer adventures.
  • See all
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Product report

Description

Description

Design

With an octagonal frame and ceramic bezel, it is designed for lightweight, durability, and a robust aesthetic. The large 1.5-inch LTPO display features a maximum brightness of 3500 nits for high clarity under sunlight outdoors.

The closest to unbreakable

Extremely reliable construction. The watch, surrounded by a hard zirconium-based liquid metal case, features a nanotechnology ceramic bezel and sapphire glass for exceptional durability and strength.

Dive into new depths

Dive deeper, dive smarter. The world's first 150-meter dive smartwatch with on-land audio features, featuring an innovative waterproof structure for your safe marine adventures. Advanced mini-sonar technology enables instant underwater message exchange, ensuring smooth communication.

  • Certified SO 22810 and EN 13319

Underwater communication based on sonar

The first innovative standalone underwater communication solution based on sonar. The compact sonar unit allows message exchange up to 30 meters, making traditional gestures and light signals a thing of the past.

Before the dive

  • Search to add up to 50 dive buddies near your contacts.
  • Conduct trial conversations on land, with support for preset messages and emojis for seamless dive messaging.
  • Customize your settings in dive modes with corresponding gas and water types, such as recreational diving, technical diving, scuba diving, and free diving.

Average dive

  • With the bright display, critical diving data is easily readable at a glance, such as depth, time, speed, NDL and PPO2, and many more.
  • For emergencies, an SOS request will be sent to your diving partners when you press and hold the top left button for 3 seconds. The message can be forwarded once by your partner, reaching areas up to 60 meters away.
  • It uses the Bühlmann ZHL-16C8 decompression algorithm to provide specialized guidance based on diving scenarios. With reminders for over 20 situations, such as ascending too quickly, it offers extra reassurance for your underwater adventures.

After the dive

Check the history of underwater messages on your wrist. All diving data is accessible on the watch and in the Huawei Health app for sharing or analysis, so you can plan your next adventure.

Powerful brand-new antenna system

The most powerful antenna system intelligently optimizes signals based on network usage scenarios for maximum performance. Whether it's eSIM calls or navigation, it provides fast and stable connections.

Enhance Your Health with X-TAP

The HUAWEI TruSense system with Multi-Sensing X-TAP technology extends data collection from the wrist to the fingertips, making health monitoring more convenient and accurate.

Battery

Switch to Standard Mode for extended use or stay in Cellular mode for full functionality. A maximum battery life of 18 hours for diving mode (12 hours with SUC enabled), 40 hours for Expedition mode, 24 hours for Golf mode, and 22 hours for outdoor running.

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Technical Specifications

Colour
Black
Release Date
2025
Screen Size
1.5 "

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
466x466 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
Connection
Bluetooth, NFC, Wi-Fi

Connection

Bluetooth
The basic way to connect your smartwatch to your mobile phone and other supported devices, such as wireless headphones.
NFC
The smartwatch has the ability to make contactless payments where supported, with applications such as Android Pay, Fitbit Pay, etc.
Wi-Fi

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

Case material

Stainless Steel
"The most popular material for constructing a case is more resistant to rust, impacts, and scratches compared to others, but with greater weight."

Features & Functions

Features
SIM, Speaker, Microphone

Features

SIM
They accept a SIM card and allow direct calls from the watch, but consume more battery.
Speaker

Playback of multimedia, notification sounds, or voice.

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

Features & Functions

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.
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, Barometer, Pedometer, 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.
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.
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
20 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
Sea Swimming

Waterproof

Sea Swimming

The smartwatch offers enhanced durability so you can wear it in the sea. Resistant to saltwater and tough marine conditions, it is the ideal companion for your summer adventures.
MIL-STD-810
No

Battery

Battery Life
6 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.
Standby Time
11 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
48 mm

Case Size

48
This size is usually intended for fruits with a circumference of over 20.5cm.
Weight
80.5 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

Design

With an octagonal frame and ceramic bezel, it is designed for lightweight, durability, and a robust aesthetic. The large 1.5-inch LTPO display features a maximum brightness of 3500 nits for high clarity under sunlight outdoors.

The closest to unbreakable

Extremely reliable construction. The watch, surrounded by a hard zirconium-based liquid metal case, features a nanotechnology ceramic bezel and sapphire glass for exceptional durability and strength.

Dive into new depths

Dive deeper, dive smarter. The world's first 150-meter dive smartwatch with on-land audio features, featuring an innovative waterproof structure for your safe marine adventures. Advanced mini-sonar technology enables instant underwater message exchange, ensuring smooth communication.

  • Certified SO 22810 and EN 13319

Underwater communication based on sonar

The first innovative standalone underwater communication solution based on sonar. The compact sonar unit allows message exchange up to 30 meters, making traditional gestures and light signals a thing of the past.

Before the dive

  • Search to add up to 50 dive buddies near your contacts.
  • Conduct trial conversations on land, with support for preset messages and emojis for seamless dive messaging.
  • Customize your settings in dive modes with corresponding gas and water types, such as recreational diving, technical diving, scuba diving, and free diving.

Average dive

  • With the bright display, critical diving data is easily readable at a glance, such as depth, time, speed, NDL and PPO2, and many more.
  • For emergencies, an SOS request will be sent to your diving partners when you press and hold the top left button for 3 seconds. The message can be forwarded once by your partner, reaching areas up to 60 meters away.
  • It uses the Bühlmann ZHL-16C8 decompression algorithm to provide specialized guidance based on diving scenarios. With reminders for over 20 situations, such as ascending too quickly, it offers extra reassurance for your underwater adventures.

After the dive

Check the history of underwater messages on your wrist. All diving data is accessible on the watch and in the Huawei Health app for sharing or analysis, so you can plan your next adventure.

Powerful brand-new antenna system

The most powerful antenna system intelligently optimizes signals based on network usage scenarios for maximum performance. Whether it's eSIM calls or navigation, it provides fast and stable connections.

Enhance Your Health with X-TAP

The HUAWEI TruSense system with Multi-Sensing X-TAP technology extends data collection from the wrist to the fingertips, making health monitoring more convenient and accurate.

Battery

Switch to Standard Mode for extended use or stay in Cellular mode for full functionality. A maximum battery life of 18 hours for diving mode (12 hours with SUC enabled), 40 hours for Expedition mode, 24 hours for Golf mode, and 22 hours for outdoor running.

Manufacturer

Manufacturer Details

Warnings & Safety Information

Technical Specifications

Colour
Black
Release Date
2025
Screen Size
1.5 "

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
466x466 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
Connection
Bluetooth, NFC, Wi-Fi

Connection

Bluetooth
The basic way to connect your smartwatch to your mobile phone and other supported devices, such as wireless headphones.
NFC
The smartwatch has the ability to make contactless payments where supported, with applications such as Android Pay, Fitbit Pay, etc.
Wi-Fi

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

Case material

Stainless Steel
"The most popular material for constructing a case is more resistant to rust, impacts, and scratches compared to others, but with greater weight."

Features & Functions

Features
SIM, Speaker, Microphone

Features

SIM
They accept a SIM card and allow direct calls from the watch, but consume more battery.
Speaker

Playback of multimedia, notification sounds, or voice.

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

Features & Functions

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.
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, Barometer, Pedometer, 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.
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.
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
20 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
Sea Swimming

Waterproof

Sea Swimming

The smartwatch offers enhanced durability so you can wear it in the sea. Resistant to saltwater and tough marine conditions, it is the ideal companion for your summer adventures.
MIL-STD-810
No

Battery

Battery Life
6 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.
Standby Time
11 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
48 mm

Case Size

48
This size is usually intended for fruits with a circumference of over 20.5cm.
Weight
80.5 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.

Huawei