Tech Specs
SHOP Watch SE

Walk it. Talk it. Track it. Love it.

Tech Specs

Why you'll love it

Essential health features at a great value.

Apple Watch SE 3 is packed with health, fitness, connectivity, and safety essentials—all for a great value. Track your sleep score. Get richer health insights in the Vitals app.1 Stay active with a wide range of workouts. Save time with fast charging.2 See your info at a glance with the Always-On display. And still get all-day, 18-hour battery life.3

Health Essentials

Temperature sensing enables richer insights in the Vitals app and retrospective ovulation estimates. You will also get a daily sleep score, sleep apnea notifications, and alerts for high or low heart rate or an irregular rhythm.

Great Battery Life

Enjoy all-day, 18-hour battery life. Then charge up to twice as fast as Apple Watch SE 2 and get up to 8 hours of battery in just 15 minutes.

Always-On Display

Read the time and see your watch face without having to raise your wrist to wake the display.

A Great Fitness Partner

Track your workouts with real-time metrics and Workout Buddy powered by Apple Intelligence from your nearby iPhone, helping you stay motivated and hit your goals.

Stay Connected

Send a text, take a call, listen to music and podcasts, use Siri, and get notifications. Apple Watch SE 3 GPS works with your iPhone or Wi-Fi to keep you connected.

Safety Features

Apple Watch SE 3 can detect a hard fall or severe car crash, help connect you with emergency services, notify your emergency contacts, and use Check In to let a loved one know when you have arrived.

Your Watch, Your Way

Express yourself with dozens of customizable watch faces and a wide range of bands in different colors, styles, and materials.

Apple Watch For Your Kids

Set up Apple Watch For Your Kids even if they do not have their own iPhone, so they can call, text, and share their location.

Stay Connected On the Go

Send a text, make a call, download music and podcasts, and connect to emergency services without your iPhone nearby. And now with speedy 5G, you can get fast performance on the go.

Compare Mac

Which model is right for you?

Compare key features, performance, and connectivity across the lineup before you choose the best fit.

Apple Watch SE 3

Apple Watch SE 3

Buy
Apple Watch Series 11

Apple Watch Series 11

Buy
Apple Watch Ultra 3

Apple Watch Ultra 3

Buy

GPS

GPS

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GPS + Cellular

GPS + Cellular

GPS + Cellular

Midnight, Starlight

Rose Gold, Silver, Space Gray, Jet Black

—

—

Natural, Gold, Slate

Natural, Black

—

—

—

44mm or 40mm case size

46mm or 42mm case size

49mm case size

Always‑On Retina display
Up to 1000 nits
OLED
LTPO

Always‑On Retina display
Up to 2000 nits
Wide‑angle OLED
LTPO3

Always‑On Retina display
Up to 3000 nits
Wide‑angle OLED
LTPO3

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Hypertension notifications.
ECG app.
High and low heart rate notifications
Irregular rhythm notifications.
Low cardio fitness notifications
Blood Oxygen app.

Hypertension notifications.
ECG app.
High and low heart rate notifications
Irregular rhythm notifications.
Low cardio fitness notifications
Blood Oxygen app.

Sleep tracking
Sleep apnea notifications.
Sleep score

Sleep tracking
Sleep apnea notifications.
Sleep score

Sleep tracking
Sleep apnea notifications.
Sleep score

Vitals app featuring heart rate, respiratory rate, wrist temperature, and sleep duration.

Vitals app featuring heart rate, respiratory rate, wrist temperature, and sleep duration.

Vitals app featuring heart rate, respiratory rate, wrist temperature, and sleep duration.

Temperature sensing.

Cycle Tracking with retrospective ovulation estimates.

Temperature sensing.

Cycle Tracking with retrospective ovulation estimates.

Temperature sensing.

Cycle Tracking with retrospective ovulation estimates.

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—

Emergency SOS.
Emergency SOS via satellite.
International emergency calling.
Fall Detection and Crash Detection.
Siren

—

Water resistant 50m.
Swim, snorkel
Depth gauge to 6m
Water temperature sensor

Water resistant 100m.
Swim, snorkel, scuba, high‑speed water sports
Depth gauge to 40m
Water temperature sensor

GPS
Cellular options.
5G capable.

GPS
Cellular options.
5G capable.

Precision dual‑frequency GPS
Cellular and satellite.
5G capable.

S10 chip
Wrist flick gesture
Double tap gesture
On-device Siri with health data access
Find iPhone

S10 chip
Wrist flick gesture
Double tap gesture
On-device Siri with health data access
Precision Finding for iPhone.

S10 chip
Wrist flick gesture
Double tap gesture
On-device Siri with health data access
Precision Finding for iPhone.

Up to 18 hours.
Up to 32 hours in
Low Power Mode.
Fast‑charge capable
(0‑80% in about 45 minutes; 15 minutes for up to 8 hours).

Up to 24 hours.
Up to 38 hours in
Low Power Mode.
Fast‑charge capable
(0‑80% in about 30 minutes; 15 minutes for up to 8 hours).

Up to 42 hours.
Up to 72 hours in
Low Power Mode.
Fast‑charge capable
(0‑80% in about 45 minutes; 15 minutes for up to 12 hours).

Buy
Buy
Buy

Savings and Offers

Discover limited-availability deals, helpful guidance, and other ways to find the right device.

Local Experts

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Special Financing

6 months interest free

6 months interest free

Flexible financing options are available for qualifying purchases. Contact us for details.

Learn more

Apple Watch SE 3 requires iPhone 11 or later with iOS 26 or later.
1The Vitals app is for wellness purposes only and not for medical use.
2Fast charging is compatible with Apple Watch Series 7 and later, any Apple Watch Ultra model, and Apple Watch SE 3.
3Battery life varies by use and configuration. See apple.com/watch/battery for more information.
4The temperature sensing feature is not intended for medical use. Temperature sensing is available only on Apple Watch Series 8 and later and all Apple Watch Ultra models.
5Sleep apnea 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 apnea for people 18 years old or older without a diagnosis of sleep apnea.
6Irregular rhythm notification requires the latest versions of watchOS and iOS. It is not intended for use by people under 22 years old or those who have been previously diagnosed with atrial fibrillation (AFib).
7Testing conducted by Apple in July and August 2025 using preproduction Apple Watch SE 3 (GPS + Cellular) and Apple Watch SE 2 (GPS + Cellular), each paired with an iPhone; all devices tested with prerelease software, Apple Watch Magnetic Fast Charger to USB-C Cable (Model A2515), and Apple 20W USB-C Power Adapter (Model A2305). Charge time varies with adapter, region, settings, initial battery levels, usage, and environmental factors; actual results will vary.
8Requires an Apple Intelligence–enabled iPhone nearby and Bluetooth headphones with device and Siri language set to English. Apple Intelligence is available in beta. Some features may not be available in all regions or languages. For feature and language availability and system requirements, see support.apple.com/en-us/121115.
9Emergency SOS requires a cellular 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 cellular service is available. Some cellular 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 cellular network, if isn’t set up for cellular service, or if the cellular network does not support emergency calling over IMS. See support.apple.com/108374 and apple.com/watch/cellular for more information.
10Not all features will be available if the Apple Watch is set up through Apple Watch For Your Kids. Check support.apple.com/en-us/109036 for details. Wireless service plan required for cellular service. Check apple.com/watch/cellular for participating wireless carriers and eligibility.
11Wireless service plan required for cellular service. Contact your service provider for more details. Connection may vary based on network availability. Check apple.com/watch/cellular for participating wireless carriers and eligibility. See support.apple.com/HT207578 for additional setup instructions.
12Data plan required. 5G is available in select markets and through select carriers. Speeds vary based on site conditions and carrier. For details on 5G support, contact your carrier and see apple.com/watch/cellular.