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 by 502 pixels
  • 1185 sq mm display area
  • Weight (natural): 61.4 grams
  • Weight (black): 61.8 grams
  • Fits 130–210-mm wrists
Hardware and Buttons
  • Microphone
  • Speaker
  • Action button
  • Siren
  • 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 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
  • Blood oxygen sensor1
  • Temperature sensor2
  • 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
  • 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
  • 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
  • Multiday 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
  • Customised interval 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
  • Customised waypoints
  • Automatically generated waypoints to mobile connectivity
  • Backtrack GPS data
  • Offline maps
  • Elevation alerts

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

Swimming
  • Customised 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
  • 4G LTE and UMTS13
  • 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
  • Supports Apple Watch For Your Kids15
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
  • 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)

Nonoperating storage temperature:

–20° to 45° C (−4° to 113° F)

Dive operating temperature:

0º to 40º C (32º to 104º F)

Relative humidity:

5% to 90% noncondensing

Operating altitude:

–500 m to 9,000 m (–1,600 feet to 29,500 feet)

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:16

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 per cent recycled or renewable content17
  • 100 per cent of manufacturing electricity sourced from clean electricity18
  • 50 per cent or more shipped without aeroplanes19
  • 81 per cent emissions reduction against baseline20
  • 12 kg CO2e or fewer total remaining emissions covered by high-quality carbon credits21

See Apple’s commitment

Materials

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

  • 95 per cent recycled titanium in the case
  • 100 per cent recycled cobalt in the battery22
  • 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 and copper wire in the Taptic Engine
  • 100 per cent recycled rare earth elements in all magnets
  • 100 per cent recycled copper foil in the main logic board
  • 20 per cent recycled plastic from water bottles in the antenna line
  • 100 per cent fibre-based packaging23
  • 38 per cent recycled content in fibre packaging

Energy

  • 100 per cent of manufacturing electricity for Apple Watch Ultra 2 and Alpine Loop or Trail Loop is sourced from clean electricity
  • 100 per cent of expected customer energy use matched with clean electricity24
  • Meets California Energy Commission’s energy efficiency standards for battery charger systems25

Waste

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

Smarter chemistry26

  • 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.27 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 Ultra 2
  • Band
  • 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 band, and Magnetic Fast Charger to USB-C Cable.