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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
25281
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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 x 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
Network:
4G & 5G

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)

Product Dimensions

Product Height (mm):
40
Product Width (mm):
34
Product Depth (mm):
10.7
Product Weight (g):
26.3

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 is a lightweight everyday smartwatch for iPhone users who want reliable fitness tracking, safety features and easy access to calls, messages and apps from their wrist. It is a strong fit for daily exercise, sleep tracking and general convenience. Its main limitation is that it is a GPS model, so it relies more heavily on your iPhone than cellular or more premium Apple Watch options.

What it’s great for

  • Everyday fitness tracking
  • Daily health monitoring
  • Notifications and calls
  • Walking and running
  • Sleep tracking

Where it works best

  • Everyday commuting
  • Gym sessions
  • Outdoor walks and runs
  • Home
  • Office

Who it’s for

  • iPhone users
  • First-time smartwatch buyers
  • Everyday exercisers
  • Busy professionals
  • Students

Things to consider

This GPS model is best if you usually have your iPhone nearby; users wanting more independence away from their phone may prefer a cellular or higher-end Apple Watch model.

Fitness tracking score

8.5/10 - Strong everyday workout, activity and sleep tracking with accurate GPS for common fitness use.

Iphone compatibility

Requires iPhone 11 or later with iOS 27 or later.

Everyday wear comfort

8.5/10 - Lightweight aluminium case and compact 40 mm size make it easy to wear all day and overnight.

App ecosystem richness

9/10 - Excellent access to Apple apps, notifications and smartwatch features for iPhone users.

Battery endurance rating

7.5/10 - Up to 18 hours is reliable for daily use, but shorter than multi-day sports watches.

Key benefits

  • GPS workout tracking: Accurately maps walks, runs and rides so you can review pace, distance and route.
  • Activity rings: Gives you a simple daily view of Move, Exercise and Stand goals to help keep routines on track.
  • Sleep tracking: Helps you understand sleep patterns and build better overnight habits.
  • Heart rate monitoring: Lets you keep an eye on everyday wellness and workout intensity from your wrist.
  • Fall and crash detection: Can alert emergency contacts if a serious incident is detected, adding peace of mind.
  • 18-hour battery life: Designed to last through a full day of typical use before needing a recharge.
  • Calls, messages and notifications: Keeps key updates accessible on your wrist so you can stay connected without constantly checking your phone.
  • Lightweight 40 mm design: Feels comfortable for all-day wear and suits users who prefer a more compact watch size.

Q: Can the GPS version do much without your iPhone nearby

A: Yes, for core watch tasks. Apple Watch SE 3 GPS can track activity and use onboard features on its own, but it relies more on your iPhone than a cellular Apple Watch for broader connectivity when you are away from your phone.

Q: Which iPhone models can pair with Apple Watch SE 3

A: Apple Watch SE 3 requires iPhone 11 or later running iOS 27 or later. Older iPhone models will not pair with it, so this is not the right choice if your current phone sits below that requirement.

Q: Does Apple Watch SE 3 GPS support fast charging

A: Yes. Apple Watch SE 3 supports fast charging, which is useful for shorter top-ups between wear sessions. Its battery is still rated for 18-hour use, so fast charging helps with routine charging rather than turning it into a multi-day watch.

Q: Does Siri AI work with every iPhone this watch supports

A: No. Siri AI on Apple Watch SE 3 requires an Apple Intelligence-enabled device set to a supported language. It starts in English, remains beta on watchOS 27, and some server-based features are subject to daily usage limits.

Q: Will Emergency SOS work on the GPS model alone

A: Yes, but only with a connection path available. Emergency SOS on Apple Watch SE 3 needs a mobile network connection or Wi-Fi calling with internet from the watch, or a nearby iPhone, so it is not fully independent in every situation.

Q: Is the 18-hour battery enough for overnight sleep tracking

A: It can suit day wear and overnight sleep tracking, but the rated 18-hour battery is designed around all-day use rather than multi-day use. If you wear it to bed most nights, charging earlier in the day is the more practical routine.

Q: What changes if this watch is set up for kids

A: Apple Watch SE 3 loses some features when it is set up through Apple Watch For Your Kids. That setup can suit family use, but it does not give the same full feature access as pairing the watch in the standard way with your own iPhone.