By using this site, you agree to the Privacy Policy and Terms of Use.
Accept
Apple Headlines Logo Image Apple Headline's White Logo
  • 🔥 Trending:
  • iOS
  • iPadOS
  • Apple Tech
  • iPhone
  • iOS
  • Reader’s Space
  • Mac
  • Contact Us
Reading: Apple Watch SE Series 3 – All Features & Info
Apple HeadlinesApple Headlines
Font ResizerAa
  • iPhone
  • iOS
  • Reader’s Space
  • Mac
  • Contact Us
Search
  • iPhone
  • iOS
  • Reader’s Space
  • Mac
  • Contact Us

Must Read

How to see blocked numbers on iPhone blocked contacts screen with unblock option

Can’t Find Blocked Numbers? See Blocked Numbers on iPhone

Unhide apps on iPhone home screen tutorial showing iPhone interface and app icons

Unhide Apps on iPhone NOW: 5-Min Fix for Missing Icons!

AirPods earbuds with text showing how to check AirPods battery on iPhone

AirPods Dying? Here’s How to Check Battery Percentage on iPhone

7 best insurance apps for iPhone users in USA displayed on App Store screen with bold text overlay

Save Thousands with the 7 Best Insurance Apps for iPhone (2026)

Smaller iPhone 18 Dynamic Island with sleek design and reduced notch size

iPhone 18 Dynamic Island: 35% Smaller and Packed with Upgrades

Follow US
© Apple Headlines. All Rights Reserved.
Home » Apple Watch SE Series 3 – All Features & Info
Apple Watch

Apple Watch SE Series 3 – All Features & Info

Virginia J. Alfonso By Virginia J. Alfonso January 7, 2026
9 Min Read
SHARE

Apple Watch SE 3 launched in September 2025, shaking up the budget smartwatch game.

Main Topics
​Short StoryDesign and Build of Apple Watch SE 3Display and User InterfaceWatchOS IntegrationPowerful Performance InsideEvolution from Previous ModelsHealth and Fitness FeaturesSmart Features and ConnectivityBattery Life and Charging​Apple Watch SE 3 Release Date and AvailabilitySafety and Connectivity FeaturesApple Watch SE 3 vs CompetitorsReal User StoriesAccessibility WinsFAQWhen is Apple Watch SE 3 release date?What is Apple Watch SE 3 price?Does Apple Watch SE 3 have always-on display?Apple Watch SE 3 vs SE 2 differences?Is Apple Watch SE 3 good for fitness?

Priced at $249, it packs S10 chip, always-on display, and advanced health tracking. First-time users love its value. Upgrades from SE 2 make it a steal for fitness fans and families.​

This Apple Watch SE series 3 model fits wrists from 130mm to 245mm. It weighs just 26.3 grams in 40mm GPS. Battery lasts up to 18 hours. Perfect for daily wear.

​Short Story

  • Family setup and gestures boost daily use.
  • Apple Watch SE 3 starts at $249 with S10 chip and always-on display.​
  • Health tools include sleep apnea, temperature, and advanced workouts .
  • 18-hour battery, 5G option, swimproof build suit active US lives.​
  • Beats SE 2 in features; great value vs pricier Series 10.​

Design and Build of Apple Watch SE 3

Apple Watch SE 3 comes in 40mm and 44mm sizes.

Colors include Starlight and Midnight. Depth measures 10.7mm. Ion-X glass resists cracks four times better.​

Display hits 1000 nits brightness. LTPO OLED stays sharp at 2 nits minimum. 326 pixels per inch ensures clarity. Always-on feature saves power.

Gestures like double-tap and wrist flick control it easy.

Digital Crown gives haptic feedback. Side button launches apps fast.​

More Read

Hero image of how to find apple watch if lost
How to Find Your Apple Watch: Complete Guide for Lost or Missing Devices
Apple Watch features guide highlighting health, fitness, fixes, and tips
Apple Watch Ultimate Guide: Features, Fixes, and Tips

Water resistance reaches 50m. Swimproof for pool or open water. Operating temp from 32°F to 95°F suits US climates.

Display and User Interface

The Always-On Retina display is a highlight. It reaches 1000 nits brightness. You see time and notifications clearly outdoors.

Key Display Specs

  • Resolution: 324×394 pixels for 40mm model.
  • Always-On tech with LTPO for efficiency.
  • Minimum brightness: 2 nits for low-light viewing.

WatchOS Integration

It runs watchOS 11 with updates. Features like Smart Stack show relevant info. Double tap gesture controls music or calls easily.

Powerful Performance Inside

S10 chip powers the Apple Watch SE 3 with 64-bit dual-core processor. 4-core Neural Engine handles AI tasks. 64GB storage fits apps and music.​

Siri works on-device for privacy. Bluetooth 5.3 connects smooth. Wi-Fi 4 supports 2.4GHz networks. GPS uses L1 with GLONASS and Galileo.

GPS + Cellular models add RedCap 5G. Bands include n1 to n71 for fast US coverage. International roaming works too.

Evolution from Previous Models

The first Apple Watch SE came out in 2020. It focused on essentials like heart rate tracking. The SE 2 added better sensors in 2022. Now, the Apple Watch SE 3 introduces an Always-On display. This lets you see info without lifting your arm. It also has faster charging than before.

Think of it like upgrading from a basic phone to one with a brighter screen. The changes make daily use smoother.

Health and Fitness Features

Track heart rate with second-gen optical sensor. Temperature sensor aids cycle tracking and ovulation estimates. High/low notifications alert issues.​

Sleep apnea detection and sleep scoring improve rest insights. Compass, altimeter, and accelerometer track hikes. Multisport workouts include running and swimming.​

Running metrics cover stride length and heart zones. Hiking uses topographic maps for US parks. Cycling shows power zones and cadence.

Fitness Features

Close activity rings for Move, Exercise, Stand. Workout app supports running, swimming, yoga. GPS tracks outdoor routes precisely.

  • Custom workouts for personalized plans.
  • Pacer feature keeps your speed steady.
  • Share progress with friends for motivation.

Compare it to a personal coach on your wrist. It pushes you gently.

Compare health sensors:

FeatureApple Watch SE 3SE 2
Always-On DisplayYesNo
Temperature SensorYesNo
Sleep ApneaYes ​No
S10 ChipYes ​S8

Smart Features and Connectivity

Play music and podcasts via speakers. Media playback skips iPhone. Apple Pay handles payments. GymKit pairs with equipment.​

Double-tap answers calls. Wrist flick previews notifications. Emergency SOS calls help. Fall detection saves lives.

Apple Intelligence powers Workout Buddy. Tracks training load. Custom views personalize data.​

Kids get family setup on cellular models. Share location safe.

Battery Life and Charging​

Battery lasts up to 18 hours normally. Low Power Mode extends to 32 hours. Fast charging: 15 minutes gives 8 hours of use. That’s twice as fast as older models.

Wireless charger works easy. Real users report all-day power with workouts. Charge overnight fits routines.​

Apple Watch SE 3 Release Date and Availability

Apple announced the Apple Watch SE 3 on September 9, 2025. It hit stores on September 19, 2025. Preorders started right after the event.

Where to Buy It

You can get it from Apple’s website or stores. Major retailers like Best Buy and Amazon stock it too. T-Mobile offers cellular versions with plans. Availability is strong across the US.

Pricing Details

The base model starts at $249 for GPS. Add cellular for $299.

That’s the same as the SE 2. Financing options include Apple Card installments. This makes it accessible for many.

Safety and Connectivity Features

Safety is a big plus. Emergency SOS calls help with a button hold.

Safety Tools

  • Fall Detection: Senses hard falls and alerts services.
  • Crash Detection: Uses sensors for car accidents.
  • Backtrack: Retraces steps if lost.

A story: A hiker used Backtrack to find their way back. It saved time and worry.

Connectivity Options

Bluetooth 5.3 pairs with iPhones fast. Cellular models work without phone. Make calls, stream music via 5G.

Apple Pay lets you pay touch-free. Wallet holds keys and passes.

Apple Watch SE 3 vs Competitors

Versus Series 10, SE 3 skips ECG and depth gauge but matches battery basics. Series 10 costs more at $399. SE 3 wins value.​

Samsung Galaxy Watch 7 offers similar fitness but less iOS integration. Fitbit lacks watchOS ecosystem. Apple Watch SE 3 shines for iPhone users.​

Price table:

ModelStarting PriceKey Edge
SE 3 GPS 40mm$249 ​Affordable upgrades
SE 3 Cellular$299 ​5G on budget
Series 10$399 ​Premium sensors

Real User Stories

Jake, a runner from California, upgraded to Apple Watch SE 3. “Sleep apnea alerts changed my health game,” he says. Training load prevented overwork.​

Mom Sarah in New York uses family setup. “Kids track safe without phones.” Double-tap replies keep her hands-free busy.

Accessibility Wins

VoiceOver reads screens. Zoom magnifies. AssistiveTouch aids mobility. Color filters help vision. Live Speech assists communication.

FAQ

When is Apple Watch SE 3 release date?

September 2025, available since Sept 19.​

What is Apple Watch SE 3 price?

$249 for 40mm GPS, $279 for 44mm.​

Does Apple Watch SE 3 have always-on display?

Yes, with LTPO OLED up to 1000 nits .

Apple Watch SE 3 vs SE 2 differences?

Adds S10, always-on, sleep apnea, 5G.​

Is Apple Watch SE 3 good for fitness?

Yes, with running metrics, hiking maps, multisport .

Disclaimer: Info based on official specs and reviews as of Jan 2026. Features may vary by region. Consult Apple for latest. Not medical advice.​

Upgrade to Apple Watch SE 3 today! Check Apple’s site, grab deals, and track your health smarter. Your wrist awaits—shop now!

Virginia smiling face image
Virginia J. Alfonso

Virginia J. Alfonso is a seasoned technology writer with a passion for all things digital. With over a decade of experience covering the latest in tech innovation, gadgets, and software, Virginia brings a unique blend of technical expertise and accessible writing to her work. Her articles focus on making complex tech topics easy to understand for readers of all levels.

Share This Article
Facebook Twitter Pinterest Whatsapp Whatsapp
Previous Article Scanning a paper document using an iPhone with the built-in Notes app camera feature How to Scan a Document on iPhone: The Complete 2026 Guide
Next Article Hero image of how to find apple watch if lost How to Find Your Apple Watch: Complete Guide for Lost or Missing Devices

Follow Us On Social

FacebookLike
InstagramFollow
YoutubeSubscribe

Must Read

How to see blocked numbers on iPhone blocked contacts screen with unblock option

Can’t Find Blocked Numbers? See Blocked Numbers on iPhone

Unhide apps on iPhone home screen tutorial showing iPhone interface and app icons

Unhide Apps on iPhone NOW: 5-Min Fix for Missing Icons!

AirPods earbuds with text showing how to check AirPods battery on iPhone

AirPods Dying? Here’s How to Check Battery Percentage on iPhone

7 best insurance apps for iPhone users in USA displayed on App Store screen with bold text overlay

Save Thousands with the 7 Best Insurance Apps for iPhone (2026)

Smaller iPhone 18 Dynamic Island with sleek design and reduced notch size

iPhone 18 Dynamic Island: 35% Smaller and Packed with Upgrades

How to restart iPhone from Settings shown on tutorial banner with iPhone General menu screen

iPhone Frozen? How to Restart iPhone (iOS 26 Updated Guide)

Apple Headlines Logo Image

Apple Headlines delivers fresh, reliable Apple news, how-to guides, and tips for every Apple user.

Topics

  • Apple Headlines
  • iOS
  • iPhone
  • Mac

Quick Links

  • Home
  • About Us
  • Privacy Policy
  • Terms of Service
  • Contact Us
Apple Headlines Logo Image

Designed By Apple Headlines

appleheadlines.com