Material and Finish
 
Titanium case, Grade 5

Natural, Black
 
Size and Weight
Height: 49mm
Width: 44mm
Depth: 14.4mm
410x502 pixels
1,185 sq mm display area
Weight (natural): 61.4 grams
Weight (black): 61.8 grams
Fits 130–210mm wrists
Hardware and Buttons
Microphone
Speaker
Action button
Siren
Microphone
Side button
Microphone
Digital Crown
Depth gauge/water temperature sensor
1
2
3
4
5
6
7
8
9
Controls
Customisable Action button
Digital Crown with haptic feedback
Side button
Double tap gesture
Siri with on‑device processing
Chip
S9 SiP with 64‑bit dual-core processor
4-core Neural Engine
64GB capacity
Sensors
Electrical heart sensor
Third-generation optical heart sensor
Temperature sensor1
Depth gauge ±1m accuracy
Water temperature sensor
Compass
Always-on altimeter
High-g accelerometer
High dynamic range gyroscope
Ambient light sensor
Health and Wellness
ECG app2
Cycle Tracking app with retrospective ovulation estimates3
Heart Rate app
High and low heart rate notifications
Irregular rhythm notifications4
Medications app
Mindfulness app with state of mind tracking
Noise app
Sleep app including sleep stages
Sleep apnoea notifications5
Display
Always-On Retina LTPO2 OLED display
Flat sapphire crystal display
Up to 3,000 nits maximum brightness
1 nit minimum brightness
326 pixels per inch
Night Mode using Modular Ultra or Wayfinder watch face
Audio
Three-microphone array with beamforming and wind noise mitigation
Dual speakers
Media playback
Power and Battery Life
Multi-day battery life, up to 36 hours of normal use6
Up to 72 hours in Low Power Mode6
Built-in rechargeable lithium-ion battery
Fast-charge capable7
Up to 80% charge in about 1 hour7
Learn more
Operating System
watchOS 11
watchOS is the world’s most advanced wearable operating system, with apps and features designed to keep you active, healthy, safe and connected.
Learn more about watchOS 11
Workouts and Activity
Running
Custom workouts
Customisable Workout Views
Training load
Heart Rate Zones
Race Route
Pacer
Precision Start using Action button
Stride length, ground contact time and vertical oscillation
Automatic track detection
Multisport workout
 
Hiking
Compass with bearing, incline, elevation and coordinates
Custom waypoints
Automatically generated waypoints to cellular connectivity
Backtrack GPS data
Offline maps with custom route creation
Elevation alerts
Hundreds of curated hikes across all 63 US national parks
 
Cycling
Average speed, elevation gained and distance
Connection to cycling accessories via Bluetooth
Functional Threshold Power
Power Zones
Cadence
Live Activity on iPhone
 
Swimming
Custom workouts for pool swims
Splits and auto sets
SWOLF score
Stroke type tracking
Automatic stroke detection
Kickboard detection
Average pace, total distance and lengths
 
Diving
Recreational dive to 40m
Dive computer app (available on the App Store)8
Automatic launch at 1m
Current and maximum depth duration
GPS entry and exit points
Depth gauge
Water temperature sensor
 
More Workouts
Skiing
Snowboarding
Outdoor
Rowing
Paddling
Golf
Walk
Elliptical
Rowing Machine
Stair Stepper
HIIT
Yoga
Functional Strength Training
Dance
Cooldown
Core Training
Pilates
Tai Chi
Wheelchair
Kickboxing
Multisport
and more
Safety
Emergency SOS9
International emergency calling10
Siren
Crash Detection9
Fall Detection
Last Emergency Call Availability Waypoint
Noise Monitoring
Backtrack
Durability
Water resistance 100m under ISO standard 22810:201011
Dust resistance IP6X under IEC 6052912
EN13319 recreational scuba diving to 40m (±1m accuracy)
Tested to MIL-STD 810H against subsections for altitude, high temperature, low temperature, temperature shock, immersion, freeze with thaw, ice and freezing rain, and shock and vibration
Connectivity
4G LTE and UMTS13
L1+L5 Precision dual-frequency GPS (GPS, GLONASS, Galileo, QZSS and BeiDou)
Wi‑Fi 4 (802.11n)
Bluetooth 5.3
Second-generation Ultra Wideband chip14
Apple Pay
GymKit
Support for Family Setup15
Accessibility
Built-in accessibility features supporting vision, mobility, hearing and cognitive disabilities.
Learn more
Features include:
VoiceOver
Zoom
On/Off Labels
Reduce Transparency
Increase Contrast
Colour Filters
Text Size
Bold Text
Reduce Motion
Hourly Chimes
AssistiveTouch
Button Click Speed
Touch Accommodations
Auto-Answer Calls
Type to Siri
RTT Support
Audio Volume Balance
Auto Transcription
Live Speech
Accessibility Shortcut
Mono Audio
Taptic Time
Personal Voice
Environmental Requirements
On-wrist operating temperature: 
–20° to 55° C (–4° to 130° F)
Operating temperature: 
0° to 35° C (32° to 95° F)
Non-operating storage temperature: 
–20° to 45° C (–4° to 113° F)
Dive operating temperature: 
0° to 40° C (32° to 104° F)
Relative humidity: 
5% to 90% non-condensing
Operating altitude: 
–500 to 9,000 metres (–1,600 to 29,500 feet)