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Apple Watch Series 11 · Apple official supplied product photograph; complete original canvas/background and native alpha retained.

Apple Watch Series 11
Photo 1 of 24

Apple Watch Series 11 · Apple official supplied product photograph; complete original canvas/background and native alpha retained.

Apple · Apple Watch

Watch Series 11

Released September 2025

The Apple Watch Series 11 is Apple's 2025 main smartwatch, in 42 mm and 46 mm aluminium or titanium cases, suited to iPhone owners who want ECG, blood oxygen, hypertension and sleep apnoea notifications in a slim everyday watch.

Model history · 11 models, 2015–2025
  1. 2015Watch (1st generation)Compare
  2. 2016Watch Series 2Compare
  3. 2017Watch Series 3Compare
  4. 2018Watch Series 4Compare
  5. 2019Watch Series 5Compare
  6. 2020Watch Series 6Compare
  7. 2021Watch Series 7Compare
  8. 2022Watch Series 8Compare
  9. 2023Watch Series 9Compare
  10. 2024Watch Series 10Compare
  11. 2025Watch Series 11
Type
Smart and sports
Sizes
42, 46 mm
Movement
–
Power reserve
–
Display
LTPO OLED
Battery
24 h
Water
50 m
GPS
Single-band
Weight
29.7 g

What reviewers say

Reviewers agree it is a refinement rather than a reinvention, with longer battery life, a tougher display and maturing health features such as the Sleep Score. The common criticism is how little else changes: The Verge and T3 noted many headline features also reach older watches and saw little reason for Series 10 owners to upgrade, and Engadget thought the SE 3 better for most people.

From techradar.com, theverge.com, engadget.com and t3.com

Specifications

Report a wrong or missing spec

Display

Case sizes
42 mm or 46 mm
Panel
LTPO OLED
Peak brightness
2,000 nits
Always-on display
Yes
Display detail
Always-On Retina display with wide-angle OLEDs and LTPO3; 374 x 446 pixels (42mm) or 416 x 496 pixels (46mm) at 326 ppi; 989 or 1,220 sq mm display area; 1 nit minimum brightness
Screen protection
Ion-X front glass with a ceramic coating, 2x more scratch resistant than Series 10 (aluminium cases); sapphire front crystal (titanium cases)

Health and fitness

ECG
Yes
Blood oxygen
Yes
Skin temperature
Yes
Sleep apnoea alerts
Yes
High blood pressure alerts
Yes
Body composition
No
Fall detection
Yes
Crash detection
Yes
GPS
Single-band
Water resistance
50 m
Sensors
Electrical heart sensor; third-generation optical heart sensor; blood oxygen sensor; temperature sensor; compass; always-on altimeter; high-g accelerometer; high dynamic range gyroscope; ambient light sensor; depth gauge to 6 m; water temperature sensor
Health features
ECG app; Blood Oxygen app; hypertension notifications; sleep apnoea notifications; irregular rhythm notifications; high and low heart rate notifications; Vitals app; sleep stages and sleep score; wrist temperature; Cycle Tracking with retrospective ovulation estimates; Medications; Mindfulness with state of mind tracking; Noise
Fitness features
Custom workouts; Training Load; heart rate zones; Race Route; Pacer; stride length, ground contact time and vertical oscillation; automatic track detection; multisport workouts; offline maps with custom route creation; Backtrack; pool and open-water swimming with SWOLF; cycling power zones with Bluetooth accessories; GymKit
Safety features
Emergency SOS; international emergency calling; Crash Detection; Fall Detection; noise monitoring; Backtrack

Battery and connections

Battery life (maker's claim)
Up to 24 hours
In low-power mode
Up to 38 hours
Mobile data option
Yes
Works with
iPhone
Chip
S10
Storage
64 GB
Battery life detail
Up to 24 hours of normal use; up to 38 hours in Low Power Mode
Charging
Fast charging to 80% in about 30 minutes; 15 minutes for up to 8 hours of normal use; 5 minutes for up to 8 hours of sleep tracking
Connectivity
Wi-Fi 4 (802.11n) at 2.4GHz and 5GHz; Bluetooth 5.3; second-generation Ultra Wideband chip; NFC for Apple Pay; L1 GPS, GLONASS, Galileo, QZSS and BeiDou; GPS + Cellular models (A3335, A3337) with 5G RedCap and LTE

Design

Weight (lightest version)
29.7 g
Software
watchOS
Case materials
100% recycled aluminium or 100% recycled titanium case; water resistant to 50 m (ISO 22810:2010); IP6X dust resistant
Size
42mm is 42 x 36 x 9.7 mm; 46mm is 46 x 39 x 9.7 mm; lightest is the 42mm aluminium GPS + Cellular at 29.7 g, heaviest the 46mm titanium at 43.1 g
Bands
Fits 130–200 mm wrists (42mm) or 140–245 mm wrists (46mm)
Colours
Aluminium in Jet Black, Rose Gold, Silver and Space Grey; titanium in Natural, Gold and Slate
In the box
Apple Watch Series 11, strap, Apple Watch Magnetic Fast Charger to USB-C Cable (1 m)

Pros and cons

Pros

  • ECG, blood oxygen, hypertension notifications and sleep apnoea notifications, all available in the UK
  • Up to 24 hours of normal use and 38 hours in Low Power Mode
  • 5G (RedCap) on GPS + Cellular models

Cons

  • Single-frequency (L1) GPS; dual-frequency GPS is kept for the Ultra
  • Replaced by Series 12 in September 2026
  • Works only with an iPhone

Closest rivals

Model
TypeSizesMovementPower reserveDisplayBatteryWaterGPSWeightReleased
AppleWatch Series 12
Smart and sports42, 46 mm––LTPO OLED24 h50 mSingle-band31.5 gSept 2026
AppleWatch Series 10
Smart and sports42, 46 mm––LTPO OLED18 h50 mSingle-band29.3 gSept 2024
AppleWatch SE 3
Smart and sports40, 44 mm––LTPO OLED18 h50 mSingle-band26.3 gSept 2025

Previous model: Watch Series 10. Newer model: Watch Series 12.

Sources

  1. support.apple.com/en-gb/125093
  2. apple.com/uk/watch/compare
  3. apple.com/uk/newsroom/2025/09/apple-debuts-apple-watch-series-11-featuring-grou…
  4. apple.com/uk/watchos/feature-availability

Photo: Apple official supplied product photograph; complete original canvas/background and native alpha retained.

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