Apple Watch SE 3 GPS 40mm Starlight Aluminium Case Sand Sport Band S/M
Product Overview
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:
- MJKR4X/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:
- Gold
- Supplier Colour:
- Starlight
- Band Colour:
- Sand
- 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:
- Gold
- Supplier Colour:
- Starlight
- Band Colour:
- Sand
- 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
Product Reviews of Apple Watch SE 3 GPS 40mm Starlight Aluminium Case Sand Sport Band S/M
Overall Rating Snapshot
5 out of 5 stars from 1 review
Anonymous
Confirmed purchase 3 October 2026
Published on 29 October 2026
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
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At a glance
Apple Watch SE 3 GPS 40mm is a compact everyday smartwatch for iPhone users who want dependable fitness, sleep and safety features in a lightweight design. It is especially good for daily activity tracking, swim-ready wear and easy notifications on the wrist. Its main limitation is that the GPS model relies more heavily on your iPhone for full connectivity away from home.
What it’s great for
- Everyday Fitness Tracking
- Daily Activity Goals
- Sleep Tracking
- iPhone Notifications
- Casual Swimming
- Wellness Monitoring
Where it works best
- Daily Commutes
- Gym
- Home
- Office
- Walking Routes
- Pool
Who it’s for
- iPhone User
- First-Time Smartwatch Buyer
- Casual Exerciser
- Wellness-Focused User
- Everyday Wearer
Things to consider
This GPS model is best for people who usually have their iPhone nearby, and it offers fewer premium sensors and advanced features than higher-end Apple Watch models.
Fitness tracking score
8/10 - Strong for everyday workouts, activity goals, swim tracking and GPS-based exercise tracking.
Iphone compatibility
Requires iPhone 11 or later with iOS 27 or later.
Everyday wear comfort
9/10 - The 40 mm aluminium case and Sport Band make it easy to wear all day, including during workouts and sleep.
App ecosystem richness
9/10 - Excellent access to Apple watch apps, notifications and iPhone-integrated features.
Battery endurance rating
7/10 - Up to 18 hours of normal use is solid for daily wear, but not as long-lasting as specialist endurance watches.
Key benefits
- Sleep Tracking: Helps you build better sleep habits with overnight sleep insights and sleep score support.
- Activity Rings: Gives clear daily Move, Exercise and Stand goals that are easy to understand and follow.
- 50 m Water Resistance: Suitable for swim tracking and everyday wear around water.
- L1 gps: Tracks outdoor walks, runs and rides with broad satellite support.
- 18-Hour Battery Life: Covers up to 18 hours of normal use for day-to-night wear.
- Lightweight 40 mm Case: Compact size is comfortable for smaller wrists and all-day wear.
- Bluetooth 5.3 and Wi-Fi: Keeps watch functions, syncing and notifications responsive when paired with your iPhone.
- Safety Features: Supports emergency and personal safety tools for extra peace of mind during daily routines.
Q: Does the GPS model work without your iPhone nearby?
A: Yes, for workouts, timekeeping and features on the watch itself. Calls, messages and broader connectivity depend on Wi-Fi or your paired iPhone being nearby, because this is the GPS model rather than a cellular version.
Q: Which iPhone do I need to set up this watch?
A: Apple Watch SE 3 requires iPhone 11 or later running iOS 27 or later. It is not a full standalone watch for Android or older iPhones, so compatibility is worth checking before buying the GPS version.
Q: Can Apple Watch SE 3 fast charge before heading out?
A: Yes. Apple Watch SE 3 supports fast charging, which is useful for topping up before work or sleep tracking. Battery life is quoted as all-day use, up to 18 hours of normal use, so charging habits still matter on heavier days.
Q: Does this watch have an always-on screen for quick checks?
A: Yes. Apple Watch SE 3 has an Always-On Retina display with OLED and LTPO, so the time and basic watch face information stay visible at a glance. That is useful in meetings or workouts when raising your wrist is not ideal.
Q: Is the 40mm case a good fit for smaller wrists?
A: Apple Watch SE 3 uses a 40 mm case and includes the Sand Sport Band in S/M. That combination suits buyers after a smaller, lighter watch on the wrist, but band fit is still personal and exact wrist measurements are not listed here.
Q: Will Siri AI work on the watch by itself?
A: No. Siri AI needs an Apple Intelligence-enabled device set to a supported language, and Workout Buddy also needs a paired Apple Intelligence-enabled iPhone plus Bluetooth headphones. Some features may not be available in all regions or languages.
Q: Are all features available with Apple Watch For Your Kids setup?
A: No. Apple Watch SE 3 loses access to some features when it is set up through Apple Watch For Your Kids. If the watch is for a child or family member without their own iPhone, check that the functions you want are available in that setup.