Apple Watch SE Technical Specifications

Material and Finish

Aluminum case

Midnight, Starlight, Silver

Size and Weight
  • Height: 44mm
  • Width: 38mm
  • Depth: 10.7mm
  • Weight (GPS):

    32.9 grams
  • Weight (GPS + Cellular):

    33 grams
  • Fits 140–245mm wrists
  • Height: 40mm
  • Width: 34mm
  • Depth: 10.7mm
  • Weight (GPS):

    26.4 grams
  • Weight (GPS + Cellular):

    27.8 grams
  • Fits 130–200mm 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 notifications
  • 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 1000 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 10
  • 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 10
Workouts and Activity
Running
  • Custom interval workouts
  • Customizable Workout Views
  • Heart Rate Zones
  • Race Route
  • Stride length, ground contact time, and vertical oscillation
  • Automatic track detection
  • Multisport workout

Hiking
  • Bearing, incline, elevation, and coordinates
  • Custom waypoints
  • Automatically generated waypoints to cellular connectivity
  • Backtrack GPS data
  • Topographic maps for over 1000 national and regional parks (U.S. only)

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
  • Splits and auto sets
  • SWOLF score
  • Automatic stroke detection
  • Kickboard
  • Average pace, total distance, and laps

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

Water resistance 50m (swimproof)6

Connectivity
  • L1 GPS, GNSS, Galileo, and QZSS
  • 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
  • Color 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
  • Audio Transcription
  • Live Speech
  • Accessibility Shortcut
  • Mono Audio
  • Taptic Time
  • Personal Voice
Environmental Requirements
Operating temperature:

32° to 95° F (0° to 35° C)

Nonoperating storage temperature:

–4° to 113° F (–20° to 45° C)

Relative humidity:

5% to 90% noncondensing

Operating altitude:

0 feet to 10,000 feet (0m to 3000m)

Apple Watch SE and the Environment

Apple Watch SE paired with Sport Loop is designed to reduce environmental impact:9

See the Apple Watch SE Product Environmental Report (PDF)

Progress toward Apple 2030

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

  • 30% recycled or renewable content10
  • 100% of manufacturing electricity sourced from clean electricity11
  • 50% or more shipped without airplanes12
  • 75% emissions reduction against baseline13
  • 7.2 kg CO2e total remaining emissions covered by high-quality carbon credits14
See Apple’s commitment

Materials

  • 100% recycled aluminum in the case
  • 100% recycled gold in the plating of multiple printed circuit boards
  • 100% recycled tin in the solder of multiple printed circuit boards
  • 100% recycled tungsten in the Taptic Engine
  • 100% recycled rare earth elements in all magnets
  • 100% fiber-based packaging15
  • 44% recycled content in fiber packaging

Energy

  • 100% of manufacturing electricity for Apple Watch SE and Sport Loop is sourced from clean electricity
  • 100% of expected customer energy use matched with clean electricity16
  • Meets California Energy Commission’s energy efficiency standards for battery charger systems17

Waste

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

Smarter chemistry18

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

Apple Trade In

Trade in your eligible device for credit toward your next purchase, or get an Apple Gift Card you can use anytime.19 If your device isn’t eligible for credit, we’ll recycle it for free.

See how it works
Compatibility

iPhone Xs or later with iOS 17 or later

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