Display
Always-On Retina display
The largest display, with up to 3000 nits of brightness - the brightest display Apple has ever designed. Large enough to see up to six lines of workout metrics at a glance. Readable even in direct sunlight. Always-On technology keeps the display on so you can see key information at a glance. The new exclusive Modular Ultra watch face is easily customizable and shows real-time altitude, depth, or second on the outermost edges, and Night Mode can activate automatically in the dark.
410 by 502 pixels
49mm
410 by 502 pixels
1185 sq mm display area

Chip
S9 SiP with 64-bit dual-core processor
W3
Apple wireless chip
Second-generation Ultra Wideband chip
4-core Neural Engine

Materials and Finishes
Titanium
Made with 95% recycled aerospace-grade titanium for the perfect balance between weight, ruggedness, and corrosion resistance. Case designed with raised edges to protect the flat sapphire front crystal from edge impacts. Super rugged to withstand the elements.

Health and Wellness
Blood Oxygen app
ECG app
High and low heart rate notifications
Irregular rhythm notifications
Sleep stages
Mental wellbeing
Cycle Tracking with retrospective ovulation estimates
Log your state of mind in the Mindfulness app and get insights into your mental health. Temperature sensing works with Cycle Tracking to help you better understand your menstrual cycle. Measure your blood oxygen levels, take an ECG from your wrist,5 be alerted if it detects unusually high or low heart rates or an irregular rhythm, measure your current heart rate. And learn more about your time asleep with sleep stages.

Controls
Double tap gesture
Faster on-device Siri
with health data access

Digital Crown with haptic feedback
Side button
Customizable Action button

Cellular Connectivity
Cellular connectivity on GPS + Cellular model
Cellular connectivity waypoints
Supports Family Setup
International roaming
Cellular connectivity comes standard. With an active cellular plan, make calls, send texts, stream music, and make emergency calls without your iPhone nearby. Pair watches for your children or older adults without an iPhone using Family Setup.

Technology
Blood oxygen sensor
Electrical heart sensor
Third-generation optical heart sensor
Temperature sensor
Dual-core S9 SiP
Digital Crown with haptic feedback
Customizable Action button
Precision dual-frequency (L1 and L5) GPS
Compass with Waypoints, Backtrack, and new Elevation view
Always-on altimeter
High-g accelerometer
High dynamic range gyroscope
Depth gauge and water temperature sensor
Depth app (preinstalled)
Dive computer app (available on the App Store)
Dual speakers and three-mic array with beamforming
Customizable Action button to begin a workout, turn on your flashlight, and more. Amazing GPS accuracy even in urban settings. Compass app with Backtrack, Waypoints, and new Elevation view for easier navigation. A depth gauge that activates automatically when you submerge. Generate an ECG similar to a single-lead electrocardiogram with the ECG app. Take on-demand readings of your blood oxygen. Crash Detection with advanced sensor-fusion algorithm trained on over 1 million hours of real-world drive and crash data to detect a severe car crash. Siren attracts attention to your location.

Tech Specs
GPS + Cellular

Case Size and Weight
49mm by 44mm by 14.4mm
61.4 grams

Features
L1 and L5 GPS, GLONASS, Galileo, QZSS, and BeiDou
Compass
Always-on altimeter with expanded operating range from -500m to 9000m
Water resistant
100 meters
Certified IP6X dust resistant
Tested to MIL-STD 810H
Blood oxygen sensor
(Blood Oxygen app)
Electrical heart sensor
Third-generation optical heart sensor
International emergency calling
International roaming
High-g accelerometer
Up to 256 g-forces with Fall Detection and Crash Detection
High dynamic range gyroscope
Double tap gesture
On-device Siri
Ambient light sensor
Water temperature sensor
Depth gauge and Depth app
Dive ready to 40m / 130 ft.
EN13319 certification
Oceanic+ app for use as a dive computer (available on the App Store)
Dual speakers
Siren
Three-microphone array with beamforming and wind noise mitigation
Apple Pay
GymKit
Capacity 64GB
GPS + Cellular
Ceramic and sapphire crystal back
GPS + Cellular

Connectivity
LTE and UMTS14
GPS + Cellular model
Wi-Fi 4
802.11n
Bluetooth 5.3

Power
Built-in rechargeable lithium-ion battery
Up to 36 hours18
Up to 72 hours in Low Power Mode
USB-C magnetic fast charging cable

What's in the box
Titanium Case
Ocean Band
Apple Watch Magnetic Fast Charger to USB-C Cable (1m)