Apple Watch SE 3 specifications and in-depth review

Apple Watch SE 3

Manufacturer: Apple

The Apple Watch SE 3 is a versatile smartwatch designed for those seeking advanced features in a sleek, durable package. With a 1.78″ OLED display and a 5 ATM water resistance rating, it offers a reliable blend of functionality and style. The watch includes a variety of sensors and features, such as a heart rate monitor, GPS, and a compass, all housed in a lightweight 33g design.

Key technical attributes include a 368 x 448 px resolution on its display, offering clear visuals, and a 64GB internal storage for ample space. It supports both Bluetooth 5.3 and Wi-Fi 4, along with a rechargeable battery that lasts up to 0.75 days. The watch also includes features like fall detection, sleep tracking, and the ability to receive notifications directly on the wrist.

Pros
  • Has crash detection, providing added safety for users in case of an accident.
  • Supports passcode protection for enhanced security.
  • Works with compatible smart scales and external heart rate monitors for better fitness tracking.
  • Includes a battery level indicator, helping users keep track of battery life.
  • Has auto pause functionality for workouts, automatically pausing when needed.
Cons
  • Does not support aptX audio, limiting high-quality wireless audio options.
  • No external memory slot for expandable storage.
  • Lacks a 3.5mm headset jack, preventing the use of wired headphones.
Who is this for?

This product is ideal for users who prioritize safety and fitness tracking in their daily routines. With features like crash detection, auto pause during workouts, and compatibility with smart scales and external heart rate monitors, it suits those who engage in physical activities, particularly fitness enthusiasts and active individuals. The inclusion of a battery level indicator and passcode protection also makes it convenient and secure for daily use.

Who is this NOT for?

This product may not be suitable for users who require high-quality audio or extensive storage options. It lacks support for aptX audio, which may be a drawback for audiophiles or users who value superior wireless sound quality. Additionally, the absence of an external memory slot and a 3.5mm headset jack limits flexibility for those who need more storage or prefer wired headphones for music or calls.

Design:

screen size 1.78"
Display type OLED/AMOLED
water resistance Waterproof
ATM rating 5 ATM
Ingress Protection (IP) rating IP68
waterproof depth rating 50 m
Always-On Display
pixel density 326 ppi
resolution 368 x 448 px
Watch band is replaceable
has branded damage-resistant glass
thickness 10.7 mm
weight 33 g
height 44 mm
width 38 mm
maximum operating temperature 35 °C
lowest potential operating temperature 0 °C
Has a display
has a touch screen
Has sapphire glass display
volume 17.8904 cm³
maximum altitude 10000 feet

The Apple Watch SE 3 features a 1.78″ OLED display with a resolution of 368 x 448 px and a pixel density of 326 ppi, ensuring sharp and vibrant visuals. It is designed with durability in mind, offering water resistance up to 50 meters, supported by an IP68 rating and a 5 ATM waterproof depth rating. The watch also boasts an Always-On Display, Gorilla Glass for added protection, and a replaceable band for customization. At just 33g, it’s lightweight and compact, with dimensions of 44mm in height, 38mm in width, and a thickness of 10.7mm.

Sensors:

Monitors blood oxygenation levels
Has a heart rate monitor
has GPS
has an accelerometer
Has a temperature sensor
has a compass
Has a barometer
has a gyroscope
Has a cadence sensor
Monitors perspiration

The Apple Watch SE 3 comes equipped with a variety of sensors to support a wide range of health and fitness tracking. It features a heart rate monitor, GPS, and an accelerometer, along with a body temperature sensor, compass, barometer, and gyroscope. These sensors enable detailed tracking of activity and environmental data. However, it does not include a pulse oximeter, cadence sensor, or perspiration monitor.

Activity tracking:

Tracks your sleep
Tracks distance
Tracks steps taken
Measures pace
Provides sleep reports
Detects activities automatically
Has a route tracker
Tracks elevation
Has multi-sport mode
Has exercise tagging
Has a stroke counter for swimming
Tracks calorie intake
Designed for diving
Designed for golf

The Apple Watch SE 3 offers a comprehensive set of activity tracking features to monitor various aspects of your fitness journey. It includes sleep tracking, distance tracking, and steps tracking, along with features like activity detection, route tracking, and elevation tracking. The watch also supports multi-sport mode, exercise tagging, and even has a stroke counter for swimming. However, it does not track calorie intake, diving, or golf-specific activities.

Connectivity:

has a cellular module
Is compatible with iOS
Is compatible with Android
Bluetooth version 5.3
supports Wi-Fi
Wi-Fi version Wi-Fi 4 (802.11n)
supports ANT+
SIM cards 1 eSIM
has NFC
supports Galileo

The Apple Watch SE 3 offers a range of connectivity options, including a cellular module with support for a single eSIM and NFC functionality. It is compatible with iOS devices but not with Android. The watch supports Bluetooth 5.3, Wi-Fi 4 (802.11n), and Galileo positioning, while it does not support ANT+ connectivity. The device allows for wireless communication and provides a versatile connection experience across various networks and services.

Battery:

battery life 0.75 days
battery life in power save mode 32 hours
has wireless charging
has a rechargeable battery
Has a solar power battery
has a removable battery

The Apple Watch SE 3 is powered by a rechargeable battery with a battery life of up to 0.75 days on a full charge. In power save mode, the battery lasts up to 32 hours. The watch supports wireless charging, providing convenient charging without the need for cables. However, it does not feature a solar power battery or a removable battery.

Features:

release date September 2025
measures VO2 max
measures resting heart rate
has fast/slow heart rate notifications
shows readiness level
Can be used to answer calls
Locates your phone
Has call control
Has notifications
has irregular heart rate warnings
Has silent alarm
Has vibrating alerts
has fall detection
Has a stopwatch
Has smart alarm
has voice commands
internal storage 64GB
Has a built-in camera remote control function
Acquires GPS faster
number of microphones 1
has a front camera

The Apple Watch SE 3 comes with a variety of useful features designed to enhance daily convenience and health tracking. It includes resting heart rate monitoring, fast/slow heart rate notifications, and irregular heart rate warnings. The watch supports voice commands, provides wrist notifications, and offers fall detection for safety. Additional features include a silent alarm, vibrating alerts, a stopwatch, and a remote shutter for controlling your camera.

App & Software:

Provides activity reports
Has inactivity alerts
Counts how many calories you've burned
Has goal setting
Has achievements
Free app
Has exercise diary
Ad-free
Has coaching
Has temperature tracking
Has period notifications
Has voice feedback
Has music playback
Exports to email
Predicts ovulation
Predicts start date
Can be personalised
Has barcode scanner on app
Tracks water intake
Has weight tracking

The Apple Watch SE 3 offers a comprehensive suite of app and software features to support health and fitness tracking. It provides activity reports, inactivity alerts, and tracks calories burned, with options for goal setting and achievement tracking. The app is free, ad-free, and includes an exercise diary, voice feedback, and music playback for workouts. It also features period notifications, temperature tracking, and the ability to predict ovulation and start dates, while offering personalization options for the user experience.

Miscellaneous:

has a battery level indicator
has crash detection
has aptX
Has auto pause
Has passcode
Compatible with smart scales
Compatible with external heart rate monitors
Is compatible with Windows
has an external memory slot
Is compatible with Mac OS X
has a socket for a 3.5 mm audio jack

The Apple Watch SE 3 includes several convenient features designed to enhance user experience and compatibility. It has a battery level indicator, crash detection, and auto pause functionality for workouts. It also supports passcode protection, works with compatible smart scales and external heart rate monitors, and is compatible with Mac OS X. However, it does not support aptX audio, external memory slots, or a 3.5mm headset jack.

Final Verdict

The product excels as a versatile companion for active users, offering essential features like crash detection, auto pause, and compatibility with external heart rate monitors, making it ideal for fitness enthusiasts. However, its limitations in audio quality and storage flexibility might deter users who require high-end sound or expanded memory options. Overall, this product is a solid choice for those looking for a secure, feature-packed fitness tracker, with a strong emphasis on safety and activity monitoring.

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