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Apple Watch SE 3 GPS 40mm Midnight Aluminium Case Navy Blue Sport Band S/M

MJKY4X/A
NEW PRODUCT
$399
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Apple Watch SE 3 GPS 40mm Midnight Aluminium Case Navy Blue Sport Band S/M MJKY4X/A
1094442
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Apple Watch SE 3 GPS 40mm Midnight Aluminium Case Navy Blue Sport Band S/M MJKY4X/A
1094442
1094292
1094291
1094294
1094295
1094293
1094296

Product Overview

Apple Watch SE 3 is packed with health, fitness, connectivity and safety essentials. Get advanced health tracking, including sleep score and advanced cycle tracking.2 Meet Siri AI3, your wearable AI assistant. Track your daily Move, Exercise and Stand goals with Activity rings. And enjoy all-day, 18-hour battery life.4

 

Disclaimers:Apple Watch SE 3 requires iPhone 11 or later with iOS 27 or later.
1The Vitals app is for wellness purposes only and not for medical use.
2The Cycle Tracking app should not be used for birth control or to diagnose a health condition. Cycle deviation notifications inclusive of perimenopause are for people 40 years old or older.
3Apple Intelligence is available with Siri and device language set to Chinese (Simplified), Chinese (Traditional), Danish, Dutch, English, French, German, Italian, Japanese, Korean, Norwegian, Portuguese, Spanish, Swedish, Turkish or Vietnamese. Some features may not be available in all regions or languages. Some devices may not be available in all regions. Siri AI is available in beta in watchOS 27 and requires an Apple Intelligence–enabled device set to a supported language. Available in English to start. Siri AI will not be initially available in the EU on watchOS. Certain Apple Intelligence features that rely on server-side models are subject to daily usage limits, including but not limited to Siri AI. Daily limits may vary by feature, request complexity, system demand, system policies and other factors. Expanded access to such features will be available for a fee in the future. Use of these features is subject to the Apple Intelligence terms and conditions
4Battery life varies by use and configuration.
5The temperature sensing feature is not intended for medical use. Temperature sensing is available on Apple Watch Series 8 and later, Apple Watch SE 3 and all Apple Watch Ultra models.
6Sleep apnoea notifications are available on Apple Watch Series 9 and later, Ultra 2 and later, and SE 3. The feature is intended to detect signs of moderate to severe sleep apnoea for people aged 18 years or older without a diagnosis of sleep apnoea. Always follow directions for use. The feature is not intended for use in screening for, diagnosing, treating or managing sleep apnoea. Even without a notification, sleep apnoea may still be present. Consult a medical practitioner if you have symptoms of sleep apnoea, or any other breathing disturbance.
7Requires a paired Apple Intelligence–enabled iPhone and Bluetooth® headphones with device and Siri language set to English or Spanish. To use Workout Buddy without your iPhone nearby, you must have a Wi-Fi or mobile network connection. Some features may not be available in all regions or languages
8Emergency SOS requires a mobile network connection or Wi-Fi calling with an internet connection from your Apple Watch or nearby iPhone. You can use cellular models of Apple Watch to make an emergency call in many locations, provided that a mobile network is available. Some mobile networks may not accept an emergency call from your Apple Watch if your Apple Watch isn’t activated, if it isn’t compatible with or configured to operate on a particular mobile network, if it isn’t set up for mobile service or if the mobile network does not support emergency calling over IMS.
9Fast charging is compatible with Apple Watch Series 7 and later, Apple Watch SE 3 and all Apple Watch Ultra models.
10Not all features will be available if the Apple Watch is set up through Apple Watch For Your Kids. 

Key Features

  • Up to 18 hours of normal use4
  • Health and Fitness tracker
  • S10 chip with 64‑bit dual core processor
  • Always on display
  • Gesture control

Key Specifications

Brand:
Apple
Model Number:
MJKY4X/A
Compatible Phones:
Apple iPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 26 or later
Face Size (mm):
40
Display:
Always‑On Retina display with OLED and LTPO
GPS:
L1 GPS (GLONASS, Galileo, QZSS and BeiDou)

Phones & Wearables

Strap:
S/M

Screen Technology

Display Resolution (px):
324 by 394
Peak Brightness (Nits):
1000

Capacity

Storage Capacity:
64GB

Connections

Connections:
Bluetooth v5.3, Wi-Fi 4 (802.11n),
Cellular or Wi-Fi Only:
Wi-Fi Only

Power & Charging

Battery Life:
Up to 18 hours of normal use, Up to 32 hours in Low Power Mode Up to 7 hours outdoor workout, Up to 80% charge in about 45 minutes, 15 minutes for up to 8 hours of normal use, 8 minutes for up to 8 hours of sleep tracking

Options

Sensor Technology:
Second-generation optical heart sensor, Temperature sensor2, Compass, Always-on altimeter, High-g accelerometer, Ambient light sensor High-dynamic-range gyroscope
Trackers:
Sleep, Heart rate, Respiratory rate, Wrist temperature, Step tracker (Pedometer), Menstruation cycles, Daily activity

Audio

Audio:
Speaker, Microphone, Media playback

Safety

Water Resistant:
Water resistance 50m

General Information

Type:
Smart Watch
Family:
Apple Watch SE
Colour:
Blue
Supplier Colour:
Midnight
Band Colour:
Navy Blue
Materials:
Aluminium case, Rubber band
Operating System:
watchOS
Processor:
S10 chip with 64‑bit dual core processor, 4‑core Neural Engine
Additional Features:
Emergency SOS, Fall Detection, Workout app, Built‑in accessibility features, Apple Pay, Double tap and flick gestures, Siri AI
What's In The Box:
Apple Watch SE 3, Band, Apple Watch Magnetic Fast Charger to USB‑C Cable (1m)

Warranty

Manufacturer's Warranty:
1 Year

Phones & Wearables

Strap:
S/M

Capacity

Storage Capacity:
64GB

Power & Charging

Battery Life:
Up to 18 hours of normal use, Up to 32 hours in Low Power Mode Up to 7 hours outdoor workout, Up to 80% charge in about 45 minutes, 15 minutes for up to 8 hours of normal use, 8 minutes for up to 8 hours of sleep tracking

Audio

Audio:
Speaker, Microphone, Media playback

General Information

Type:
Smart Watch
Family:
Apple Watch SE
Colour:
Blue
Supplier Colour:
Midnight
Band Colour:
Navy Blue
Materials:
Aluminium case, Rubber band
Operating System:
watchOS
Processor:
S10 chip with 64‑bit dual core processor, 4‑core Neural Engine
Additional Features:
Emergency SOS, Fall Detection, Workout app, Built‑in accessibility features, Apple Pay, Double tap and flick gestures, Siri AI
What's In The Box:
Apple Watch SE 3, Band, Apple Watch Magnetic Fast Charger to USB‑C Cable (1m)

Box Dimensions

Box Height (mm):
30
Box Width (mm):
77
Box Depth (mm):
240
Box Weight (kg):
0

No reviews found for this product.

The below information is AI generated based on Australian websites information around this item. We have done our best to ensure its accuracy but suggest verifying any information within this tab before purchasing.

At a glance

Apple Watch SE 3 GPS is a streamlined smartwatch for iPhone users who want reliable fitness tracking, smart notifications and everyday safety features in a compact 40 mm design. It suits first-time smartwatch buyers, casual exercisers and daily wear. Key strengths are Apple ecosystem integration, comfort and simple activity tracking. The main limitation is that it lacks the broader advanced sensors and premium finishes found on higher-end Apple Watch models.

What it’s great for

  • Everyday Fitness Tracking
  • Daily Notifications
  • Health Monitoring Basics
  • Casual Workouts
  • Everyday Wear

Where it works best

  • Daily Commutes
  • Gym
  • Walking Tracks
  • Home
  • Office

Who it’s for

  • iPhone User
  • First-Time Smartwatch Buyer
  • Casual Exerciser
  • Everyday Professional
  • Student

Things to consider

This GPS model is best for users who usually keep their iPhone nearby, and it does not offer the wider range of advanced health sensors and premium materials available on higher-end Apple Watch models.

Fitness tracking score

8/10 - Strong everyday activity, workout and route tracking for most users, but not as feature-rich as premium Apple Watch models.

Iphone compatibility

Requires iPhone 11 or later with iOS 27 or later

Everyday wear comfort

9/10 - Lightweight 40 mm aluminium case and Sport Band suit long daily wear, especially for smaller wrists.

App ecosystem richness

9/10 - Excellent access to Apple's watch apps, notifications and ecosystem features for iPhone users.

Battery endurance rating

7/10 - Up to 18 hours is solid for a full day, but it typically needs daily charging.

Key benefits

  • Gps connectivity: Lets you track workouts, routes and daily activity accurately without needing a cellular plan.
  • 18-hour battery life: Provides all-day use for notifications, fitness tracking and general smartwatch tasks before needing a recharge.
  • Activity rings: Gives a simple daily view of Move, Exercise and Stand goals to help keep routines consistent.
  • Sleep tracking: Helps you monitor nightly sleep patterns and sleep score trends to build better everyday habits.
  • Advanced cycle tracking: Offers convenient cycle logging and trend visibility from your wrist.
  • Siri support: Makes it easy to set reminders, send messages and control common tasks hands-free.
  • Safety features: Adds peace of mind with emergency-focused tools designed to help when urgent assistance is needed.
  • 40 mm aluminium design: Keeps the watch light and comfortable for smaller wrists and all-day wear.

Q: Does Apple Watch SE 3 GPS need an iPhone to set up

A: Yes. Apple Watch SE 3 requires iPhone 11 or later running iOS 27 or later. It is designed around iPhone pairing, so this GPS model is not the right fit if you do not already use a compatible iPhone.

Q: Can this GPS model work when my iPhone is not nearby

A: Yes, for some tasks. Apple Watch SE 3 GPS can still use features already on the watch, but it does not have built-in cellular, so calls, messages and internet features usually depend on your iPhone being nearby.

Q: Will Emergency SOS work on the GPS version without cellular

A: Yes, but not as a standalone mobile connection. Emergency SOS needs a mobile network connection or Wi-Fi calling with internet from the watch, or a nearby iPhone, so coverage and setup matter on the GPS version.

Q: How does Siri AI work on Apple Watch SE 3

A: Siri AI on Apple Watch SE 3 needs watchOS 27, a supported language and an Apple Intelligence-enabled device. It starts in English, is in beta, and some requests use server-side models with daily usage limits.

Q: What does set up through Apple Watch For Your Kids limit

A: Some features are not available when Apple Watch SE 3 is set up through Apple Watch For Your Kids. That matters if the watch is for a child or dependent, because the pairing method changes which features can be used.

Q: Does Apple Watch SE 3 support fast charging

A: Yes. Apple Watch SE 3 is compatible with fast charging, which is useful for short top-ups between wears. Battery life is rated for up to 18 hours under Apple test conditions, so heavier use can shorten that runtime.

Q: Which band comes with this Midnight 40mm model

A: This listing includes the Midnight aluminium case with the Navy Blue Sport Band in S/M. If you want a different band style, size or colour, browse the Apple Watch SE 3 range rather than assuming every variant includes the same band.