Apple Watch SE Technical Specifications

Material and Finish

Aluminium case

Midnight, Starlight, Silver

Size and Weight
  • Height: 44 mm
  • Width: 38 mm
  • Depth: 10.7 mm
  • 368 by 448 pixels
  • 977-sq-mm display area
  • Weight (GPS):

    32.9 grams
  • Weight (GPS + Cellular):

    33 grams
  • Fits 140–245-mm wrists
  • Height: 40 mm
  • Width: 34 mm
  • Depth: 10.7 mm
  • 324 by 394 pixels
  • 759-sq-mm display area
  • Weight (GPS):

    26.4 grams
  • Weight (GPS + Cellular):

    27.8 grams
  • Fits 130–200-mm wrists
Hardware and Buttons

Digital Crown

Microphone

Side button

Speaker/air vent

Optical heart sensor

Controls
  • Digital Crown with haptic feedback
  • Side button
  • Siri
Chip
  • S8 SiP with 64-bit dual-core processor
  • 2-core Neural Engine
  • 32GB capacity
Sensors
  • Second-generation optical heart sensor
  • Compass
  • Always-on altimeter
  • High-g accelerometer
  • High-dynamic-range gyroscope
  • Ambient light sensor
Health and Wellness
  • Heart Rate app
  • High- and low-heart-rate notifications1
  • Irregular rhythm notifications1
  • Medications app
  • Mindfulness app
  • Noise app
  • Sleep app including sleep stages
Display
  • Retina LTPO OLED display
  • Ion-X front glass
  • Up to 1,000 nits maximum brightness
  • 326 pixels per inch
Power and Battery Life
  • All-day battery life, up to 18 hours of normal use2
  • Built-in rechargeable lithium-ion battery
  • Up to 80% charge in about 1.5 hours3
  • 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
  • Customised workouts
  • Customisable Workout Views
  • Training load
  • Heart Rate Zones
  • Race Route
  • Pacer
  • Stride length, ground contact time and vertical oscillation
  • Automatic track detection
  • Multisport workout

Hiking
  • Compass with bearing, incline, elevation and coordinates
  • Customised waypoints
  • Automatically generated waypoints to mobile connectivity
  • Backtrack GPS data
  • Offline maps

Cycling
  • Average speed, elevation gained and distance
  • Connection to cycling accessories via Bluetooth®
  • Functional Threshold Power
  • Power Zones
  • Cadence
  • Live Activity on iPhone

Swimming
  • Pool swim or open-water swim
  • Customised workouts for pool swims
  • Splits and auto sets
  • SWOLF score
  • Automatic stroke detection
  • Kickboard detection
  • Average pace, total distance and laps

More Workouts
Safety
  • Emergency SOS4
  • International emergency calling5
  • Crash Detection4
  • Fall Detection
  • Noise monitoring
  • Backtrack
Durability

Water resistance 50 m (swim-proof)6

Connectivity
  • L1 GPS, GNSS, Galileo and QZSS
  • 4G LTE and UMTS7
  • Wi-Fi 4 (802.11n)
  • Bluetooth 5.3
  • Apple Pay
  • GymKit
  • Supports Apple Watch For Your Kids8
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
Operating temperature:

0° to 35° C (32° to 95° F)

Nonoperating storage temperature:

–20° to 45° C (−4° to 113° F)

Relative humidity:

5% to 90% noncondensing

Operating altitude:

0 m to 3,000 m (0 feet to 10,000 feet)

Apple Watch SE and the Environment

Apple Watch SE is designed to reduce environmental impact:9, 10

See the Apple Watch SE Product Environmental Report (PDF)

Progress towards Apple 2030

Apple Watch SE paired with Sport Loop is one of Apple’s first carbon-neutral products:

  • 30 per cent recycled or renewable content11
  • 100 per cent of manufacturing electricity sourced from clean electricity12
  • 50 per cent or more shipped without aeroplanes13
  • 75 per cent emissions reduction against baseline14
  • 7.2 kg CO2e total remaining emissions covered by high-quality carbon credits15
See Apple’s commitment

Materials

  • 100 per cent recycled aluminium in the case
  • 100 per cent recycled gold in the plating of multiple printed circuit boards
  • 100 per cent recycled tin in the solder of the multiple printed circuit boards
  • 100 per cent recycled tungsten in the Taptic Engine
  • 100 per cent recycled rare earth elements in all magnets
  • 100 per cent fibre-based packaging16
  • 44 per cent recycled content in fibre packaging

Energy

  • 100 per cent of manufacturing electricity for Apple Watch SE and Sport Loop is sourced from clean electricity
  • 100 per cent of expected customer energy use matched with clean electricity17
  • Meets California Energy Commission’s energy efficiency standards for battery charger systems18

Waste

  • No established final assembly sites generate waste sent to landfill as part of Apple’s Zero Waste Program

Smarter chemistry19

  • Arsenic-free display glass
  • Mercury-, BFR- and PVC-free
  • Meets European REACH regulation on nickel

Apple Trade In

Trade in your eligible device and get credit towards your next purchase, or an Apple Gift Card you can use at any time.20 If your device isn’t eligible for credit, we’ll recycle it for free.

See how it works
Compatibility

iPhone Xs or later, including iPhone SE (2nd generation or later), with iOS 18 or later

In the Box
  • Apple Watch SE
  • Band
  • Apple Watch Magnetic Charger to USB-C Cable (1 m)
Lined up in a row: front view of Apple Watch SE hardware, a starlight sport band and Magnetic Charger to USB-C Cable.