Apple Watch Ultra 2 Technical Specifications

Material and Finish

Titanium case, Grade 5

Natural, Black

Size and Weight
  • Height: 49 mm
  • Width: 44 mm
  • Depth: 14.4 mm
  • 410 x 502 pixels
  • 1,185 mm2 display area
  • Weight (natural): 61.4 g
  • Weight (black): 61.8 g
  • Fits 130–210 mm wrists
Hardware and Buttons
  • Microphone
  • Speaker
  • Action button
  • Siren
  • 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 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 ±1 m accuracy
  • Water temperature sensor
  • Compass
  • Always-on altimeter
  • High-g accelerometer
  • High dynamic range gyroscope
  • Ambient light sensor
Health and Wellness
  • Blood Oxygen app2
  • ECG app3
  • Cycle Tracking app with retrospective ovulation estimates4
  • Heart Rate app
  • High and low heart rate notifications
  • Irregular rhythm notifications5
  • Medications app
  • Mindfulness app with state of mind tracking
  • Noise app
  • Sleep app including sleep stages
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
  • Topographic maps for thousands of national and regional parks (US only)
  • 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 workout for Pool Swim
  • Splits and auto sets
  • SWOLF score
  • Stroke type tracking
  • Automatic stroke detection
  • Kickboard detection
  • Average pace, total distance and laps

Diving
  • Recreational dive to 40 m
  • Dive computer app (available on the App Store)8
  • Automatic launch at 1 m
  • Current and maximum depth duration
  • GPS entry and exit points
  • Depth gauge
  • Water temperature sensor

More Workouts
Safety
  • Emergency SOS9
  • International emergency calling10
  • Siren
  • Crash Detection9
  • Fall Detection
  • Last Emergency Call Availability Waypoint
  • Noise Monitoring
  • Backtrack
Durability
  • Water resistance 100 m under ISO standard 22810:201011
  • Dust resistance IP6X under IEC 6052912
  • EN13319 recreational scuba diving to 40 m (±1 m 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
  • 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
  • GymKit
  • Support for Apple Watch For Your Kids15
  • International roaming16
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
  • Audio Transcription
  • 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 m (–1,600 to 29,500 ft)

Apple Watch Ultra 2 and the Environment

Apple Watch Ultra 2 paired with Alpine Loop, Trail Loop or Titanium Milanese Loop is designed to reduce environmental impact:17

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

Progress towards Apple 2030

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

  • 30% recycled or renewable content18
  • 100% of manufacturing electricity sourced from clean electricity19
  • 50% or more shipped without airplanes20
  • 81% emissions reduction against baseline21
  • 12 kg CO2e or fewer total remaining emissions covered by high-quality carbon credits22

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 battery23
  • 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 packaging24
  • 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 electricity25
  • Meets California Energy Commission’s energy efficiency standards for battery charger systems26

Waste

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

Smarter chemistry27

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

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

In the Box
  • Apple Watch Ultra 2
  • Strap
  • Apple Watch Magnetic Fast Charger to USB-C Cable (1 m)
Lined up in a row: front view of Apple Watch Ultra 2 hardware, a black Titanium Milanese Loop strap, and Magnetic Fast Charger to USB-C Cable.