Apple Watch Series 11

Works with: iPhone only
Display: LTPO OLED
Case sizes: 42 / 46 mm
Battery: 24 hours
Water resistance: 5 ATM
Weight: 37.8 g
Cellular: 5G version

We earn a commission from qualifying Amazon purchases made through our links, at no extra cost to you. This never affects our specs. How we make money.

Find it in these categories

Apple Watch Series 11 at a glance

Battery

Charge most nights

Up to 24 hours in smartwatch mode.
GPS

Built-in GPS

Maps on the wrist. Runs and rides without your phone.
Display

LTPO OLED

Up to 2,000 nits and always-on option.
Health

ECG on the wrist

Measures ECG, blood oxygen, skin temperature and HRV.
Phone & smart

iPhone only

LTE, payments, music and calls.
Build

5 ATM water rating

37.8 g. 2 case sizes.

Apple Watch Series 11 full specifications

Overview

A smartwatch from Apple, released in 2025.

Brand	Apple
Model	Apple Watch Series 11
Series	Apple Watch Series
Released	2025
Versions	42mm Aluminum, 42mm Titanium, 46mm Titanium
Colours	Rose Gold, Silver, Space Gray, Jet Black

Platform & apps

Needs an iPhone, running watchOS.

Operating system	watchOS
Works with	iPhone only
Minimum iOS	iOS 26
Storage	64 GB

Display

A vivid, high-contrast screen that is easy to read indoors and out.

Up to 2,000 nits and always-on option.

Display type	LTPO OLED
Display name	Always‑On Retina display
Resolution	416 x 496
Pixel density	326 ppi
Peak brightness	2,000 nits
Colour display	Yes
Always-on display	Yes
Controls	buttons, crown

Design & durability

Comes in 2 case sizes (42, 46 mm) weighing 37.8 g.

Rated 5 ATM: fine for swimming laps and showers.

Case sizes	42 / 46 mm
Case shape	Rectangular
Dimensions	46 x 39 x 9.7 mm
Thickness	9.7 mm
Weight (case)	37.8 g
Case material	Aluminum case
Lens	Ion‑X front glass
Fits wrists	140-245 mm
Water resistance	5 ATM
IP rating	IP6X
Water standard	ISO 22810:2010
Operating temperature	0 to 35 °C
Max altitude	3,000 m

Battery

Charge most nights: up to 24 hours in smartwatch mode.

Real battery life depends on screen brightness, notifications and workouts.

Battery (smartwatch mode)	24 hours
All battery modes	Smartwatch: 24 hours; Battery saver: 38 hours
Battery type	Li-ion
Charging	puck
Wireless charging	Yes
Fast charging	Up to 80% charge in about 30 minutes

GPS & navigation

Built-in GPS, so you can record runs and rides without your phone.

You can download maps to the watch.

GPS	Built-in
Multi-band GPS	No
Satellite systems	GPS, GLONASS, Galileo, QZSS, BeiDou
Maps	Downloadable maps
Preloaded regions	U.S. national and regional parks
Navigation features	Custom waypoints, Backtrack, Offline maps with custom route creation

Health & sensors

A health-focused watch: it measures ECG, blood oxygen, skin temperature and HRV.

For sleep, it offers a nightly sleep score. It can warn you about an irregular heart rhythm. ECG availability can depend on your country.

Sensors	optical HR, ECG electrode, SpO2, skin temperature, accelerometer, gyroscope, compass, ambient light, depth, thermometer
Heart-rate sensor	Third‑generation optical heart sensor
Heart-rate tracking	24/7
ECG	Yes
Irregular rhythm alerts	Yes
High/low heart-rate alerts	Yes
Heart-rate variability	Yes
Blood oxygen (SpO2)	Yes
Skin temperature	Yes
Respiration rate	Yes
Hypertension alerts	Yes
Sleep tracking	Sleep score
Sleep apnea alerts	Yes
Cycle tracking	Yes

Safety

Detects hard falls and can call for help if you don't respond.

SOS works over its own LTE connection.

Emergency SOS	From the watch (LTE)
Fall detection	Yes
Crash detection	Yes

Training

Tracks your workouts and daily activity.

It adds a triathlon mode.

Triathlon / multisport	Yes
Swim tracking	Pool and open water
Training metrics	training load, heart rate zones, Functional Threshold Power, Power Zones
Running dynamics	Yes
External sensors	Bluetooth sensors

Smart features

Smart extras include an LTE version, contactless payments, music storage and calls on the wrist.

Voice assistant: Siri. LTE needs a carrier plan.

Notifications	Yes
Calls on the watch	Yes
Speaker	Yes
Microphone	Yes
Voice assistant	Siri
Contactless payments	Yes
Payment service	Apple Pay
Cellular	5G version available
Music storage	Yes
Wi-Fi	Wi-Fi 4 (802.11n), 2.4/5 GHz
Bluetooth	Bluetooth 5.3
Ultra-wideband	Yes

Diving, golf & more

It has a depth gauge for snorkelling and water sports.

Rated to 6 m.

Specialist modes	golf, ski
Diving	Depth gauge
Max dive depth	6 m

Specs compiled from Apple's product pages and datasheets. Manufacturers revise hardware between versions, so check the version on the box. Spotted an error? Tell us.