Apple Watch Ultra 2 Technical Specifications

Material and Finish

Aerospace-grade titanium case

Size and Weight
  • Height: 49mm
  • Width: 44mm
  • Depth: 14.4mm
  • Weight: 61.4 grams
  • Fits 130–210mm wrists
Hardware and Buttons
  • Microphone
  • Speaker
  • Customisable Action button
  • Siren/Speaker
  • GPS antennas
  • Microphone
  • Side button
  • Microphone
  • Digital Crown
  • Depth gauge/water temperature sensor
Controls
  • Customisable Action button
  • Digital Crown with haptic feedback
  • Side button
  • Double tap gesture
  • Siri
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 sensing1
  • 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
  • Noise app
  • Sleep app including sleep stages
Display
  • Always-On Retina LTPO 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
Power and Battery Life
  • Multi-day battery life, up to 36 hours of normal use5
  • Up to 72 hours in Low Power Mode5
  • Built-in rechargeable lithium-ion battery
  • Fast-charge capable6
  • Up to 80% charge in about 1 hour6

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
  • Customisable Workout Views
  • Heart Rate Zones
  • Race Route
  • Precision Start using Action button
  • Stride length, ground contact time and vertical oscillation
  • Automatic track detection
  • Multisport workout

Hiking
  • Bearing, incline, elevation and coordinates
  • Custom waypoints
  • Backtrack GPS data
  • Elevation alerts
  • Topographic maps for over 1,000 national and regional parks (US 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
  • Stroke type tracking
  • Automatic stroke detection
  • Kickboard
  • Average pace, total distance and lengths

Diving
  • Recreational dive to 40m
  • Dive computer app (available on the App Store)7
  • Automatic launch at 1m
  • Current and maximum depth duration
  • GPS entry and exit points
  • Depth gauge
  • Water temperature sensor

More Workouts
Safety
  • Emergency SOS8
  • Siren
  • Crash Detection8
  • Fall Detection
  • Last Emergency Call Availability Waypoint
Durability
  • Water resistance 100m under ISO standard 22810:20109
  • Dust resistance IP6X under IEC 6052910
  • 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
  • Precision dual-frequency GPS (GPS, GLONASS, Galileo, QZSS and BeiDou)
  • Wi‑Fi 4 (802.11n)
  • Bluetooth 5.3
  • Second-generation Ultra Wideband chip11
  • Apple Pay
  • GymKit
Accessibility

Built-in accessibility features supporting vision, mobility, hearing and cognitive disabilities.

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
  • Audio 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)

Apple Watch Ultra 2 and the Environment

Apple Watch Ultra 2 paired with Alpine Loop or Trail Loop is designed to reduce environmental impact:12

See the Apple Watch Ultra 2 Product Environmental Report (PDF)

Progress towards Apple 2030

Apple Watch Ultra 2 paired with Alpine Loop or Trail Loop is one of Apple’s first carbon-neutral products:

  • 30% recycled or renewable content13
  • 100% of manufacturing electricity sourced from clean electricity14
  • 50% or less shipped by air15
  • 81% emissions reduction against baseline16
  • 12kg CO2e or fewer total remaining emissions covered by high-quality carbon credits17

See Apple’s commitment

Materials

Carbon-neutral Apple Watch Ultra 2 paired with Alpine Loop or Trail Loop has 30% recycled content, including:

  • 95% recycled titanium in the case
  • 100% recycled cobalt in the battery18
  • 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 and copper wire in the Taptic Engine
  • 100% recycled rare earth elements in all magnets
  • 100% recycled copper foil in the main logic board
  • 20% recycled plastic from water bottles in the antenna line
  • 100% fibre-based packaging19
  • 38% recycled content in fibre packaging

Energy

  • 100% of manufacturing electricity for Apple Watch Ultra 2 and Alpine Loop or Trail Loop is sourced from clean electricity
  • 100% of expected customer energy use matched with clean electricity20
  • Meets California Energy Commission’s energy efficiency standards for battery charger systems21

Waste

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

Smarter chemistry22

  • 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 towards your next purchase, or get an Apple Gift Card you can use anytime.23 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 Ultra 2
  • Strap
  • Apple Watch Magnetic Fast Charger to USB‑C Cable (1m)