Apple Watch SE 3 (40mm GPS, Midnight Aluminum, Midnight Sport Band)
🔥 #11 in Smartwatches · New Best entry smartwatch for iPhone users
Apple Watch SE 3 44mm GPS + Cellular
Apple 4.4
#11
in Smartwatches
$319 →
As of Jul 13, 2026
AI-estimated. See how we score. How we score Affiliate link — we may earn a commission
01 / Spec
Top features
Platform OswatchOS
Phone CompatibilityiPhone 11 or later
DisplayRetina LTPO OLED, always-on, 430×352 px (44mm)
The Apple Watch SE 3 (44mm GPS + Cellular) is a midrange smartwatch built on watchOS, compatible exclusively with iPhone. It features heart rate monitoring, SpO2 tracking, sleep tracking, and built-in GPS for accurate workout recording. The Retina display supports always-on mode; battery lasts ~1–2 days. Water resistant to 50m, it includes fitness trackers, fall detection, emergency SOS, and deep iOS ecosystem integration. Ideal for: iPhone users seeking core health tracking and Apple services without the premium price of Series 9 or Ultra.
02 / Signals
Why it's hot
Best-selling entry smartwatch for iPhone — Apple health tech at an accessible price.
- Value for money 91
- Review rating & velocity 98
- Community sentiment 94
- Brand reputation 100
- Search heat 88
- Est. return & defect rate 87
03 / Verdict
Pros & cons
Pros
- Accurate heart rate and SpO2 tracking
- Seamless iPhone integration
- Always-on Retina display
- Built-in GPS for workouts
- Water resistant to 50m
- Reliable ecosystem with watchOS apps and Apple services
Cons
- ~1–2 day battery life
- iPhone-only (no Android support)
- No ECG capability
- Requires iPhone 11 or later
Platform OswatchOS
Phone CompatibilityiPhone 11 or later
DisplayRetina LTPO OLED, always-on, 430×352 px (44mm)
Case Size44mm aluminum
Battery~1–2 days
GpsYes, built-in
Health SensorsHeart rate, SpO2, sleep tracking, motion
Water Resistance50m
ConnectivityGPS + Cellular (LTE)
Weight~38g
05 / Your take
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05 / Compare
Compare the best alternative
One useful head-to-head in Smartwatches, with the rows most likely to separate the contenders.
Open full comparison → 
Apple Watch Series 11 46mm GPS – Jet Black Aluminum
Battery (days)
18 hours (daily charging required) Longest battery ~18 hours / daily charge
App Ecosystem
watchOS App Store, Apple Health, strong integration Extensive App Store, payments, Siri, smart home
Display
Retina LTPS with always-on (SE 3 refresh) 1.9" always-on AMOLED, 486×594px, bright
06 / Rivals
Compare with
07 / Variations
Other colors & sizes
Top pick
Apple Watch SE 3 (40mm GPS, Midnight Aluminum, Midnight Sport Band)
Midnight Aluminum Case with Midnight Sport Band · 40mm case + Small/Medium band · GPS · Without AppleCare+
#1 in Smartwatches
Apple Watch SE 3 (44mm GPS + Cellular)
Midnight Aluminum Case with Midnight Sport Band · 44mm case + Medium/Large band · GPS + Cellular · Without AppleCare+
#2 in Smartwatches
Apple Watch SE 3 40mm GPS + Cellular
Midnight Aluminum Case with Midnight Sport Band · 40mm case + Small/Medium band · GPS + Cellular · Without AppleCare+
#3 in Smartwatches
Apple Watch SE 3 44mm GPS with Midnight Band + AppleCare+
Midnight Aluminum Case with Midnight Sport Band · 44mm case + Medium/Large band · GPS · With AppleCare+ (2 Years)
#6 in Smartwatches
Apple Watch SE 3 40mm GPS
Starlight Aluminum Case with Starlight Sport Band · 40mm case + Small/Medium band · GPS · Without AppleCare+
#7 in Smartwatches
Apple Watch SE 3 44mm GPS
Midnight Aluminum Case with Midnight Sport Band · 44mm case + Medium/Large band · GPS · Without AppleCare+
#8 in Smartwatches
Apple Watch SE 3 44mm GPS – Starlight Aluminum
Starlight Aluminum Case with Starlight Sport Band · 44mm case + Medium/Large band · GPS · Without AppleCare+
#9 in Smartwatches
Apple Watch SE 3 40mm GPS + Cellular Starlight
Starlight Aluminum Case with Starlight Sport Band · 40mm case + Small/Medium band · GPS + Cellular · Without AppleCare+
#10 in Smartwatches
Apple Watch SE 3 40mm GPS
Midnight Aluminum Case with Midnight Sport Band · 40mm case + Small/Medium band · GPS · With AppleCare+ (2 Years)
#12 in Smartwatches
![Apple Watch SE 3 [GPS 40mm] Smartwatch with Starlight Aluminium Case with Starlight Sport Band - S/M. Fitness and Sleep Trackers, Heart Rate Monitor with AppleCare+ (2 Years)](https://m.media-amazon.com/images/I/31H1iKtgPdL._SL500_.jpg)
Apple Watch SE 3 [GPS 40mm] Smartwatch with Starlight Aluminium Case with Starlight Sport Band - S/M. Fitness and Sleep Trackers, Heart Rate Monitor with AppleCare+ (2 Years)
Starlight Aluminum Case with Starlight Sport Band · 40mm case + Small/Medium band · GPS · With AppleCare+ (2 Years)
View on retailer
![Apple Watch SE 3 [GPS 44mm] Smartwatch with Starlight Aluminium Case with Starlight Sport Band - M/L. Fitness and Sleep Trackers, Heart Rate Monitor with AppleCare+ (2 Years)](https://m.media-amazon.com/images/I/31rJBF9ytOL._SL500_.jpg)
Apple Watch SE 3 [GPS 44mm] Smartwatch with Starlight Aluminium Case with Starlight Sport Band - M/L. Fitness and Sleep Trackers, Heart Rate Monitor with AppleCare+ (2 Years)
Starlight Aluminum Case with Starlight Sport Band · 44mm case + Medium/Large band · GPS · With AppleCare+ (2 Years)
View on retailer
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