Apple Watch Ultra 2 Technical Specifications

Material and Finish

Titanium case, Grade 5

Natural, Black

Size and Weight
  • Height: 49mm
  • Width: 44mm
  • Depth: 14.4mm
  • 410 by 502 pixels
  • 1185 sq mm display area
  • Weight (natural): 61.4 grams
  • Weight (black): 61.8 grams
  • Fits 130–210mm wrists
Hardware and Buttons
  • Microphone
  • Speaker
  • Customizable Action button
  • Siren/Speaker
  • GPS antennas
  • Microphone
  • Side button
  • Microphone
  • Digital Crown
  • Depth gauge/water temperature sensor
Controls
  • Customizable Action button
  • Digital Crown with haptic feedback
  • Side button
  • Double tap gesture
Chip
  • S9 SiP with 64-bit dual-core processor
  • 4-core Neural Engine
  • 64GB capacity
Sensors
  • Blood oxygen sensor
  • Third-generation optical heart sensor
  • Temperature sensor1
  • Depth gauge ±1m accuracy
  • Water temperature sensor
  • Compass
  • Always-on altimeter
  • High-g accelerometer
  • High dynamic range gyroscope
  • Ambient light sensor
Health and Wellness
  • Blood Oxygen app2
  • Cycle Tracking app with retrospective ovulation estimates3
  • Heart Rate app
  • High and low heart rate notifications
  • 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 3000 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 use4
  • Up to 72 hours in Low Power Mode4
  • Built-in rechargeable lithium-ion battery
  • Fast-charge capable5
  • Up to 80% charge in about 1 hour5

Learn more

Operating System
  • watchOS 11
  • watchOS is complete with powerful apps and features designed to keep you active, healthy, safe, and connected.
Workouts and Activity
Running
  • Custom workouts
  • Customizable Workout Views
  • Training load
  • Heart Rate Zones
  • Race Route
  • Pacer
  • Precision Start using Action button
  • Stride length, ground contact time, and vertical oscillation
  • 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 (U.S. only)
  • Hundreds of curated hikes across all 63 U.S. 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 40m
  • Dive computer app (available on the App Store)6
  • Automatic launch at 1m
  • Current and maximum depth duration
  • GPS entry and exit points
  • Depth gauge
  • Water temperature sensor

More Workouts
Safety
  • Emergency SOS7
  • Siren
  • Crash Detection7
  • Fall Detection
  • Last Emergency Call Availability Waypoint
  • Noise Monitoring
  • Backtrack
Durability
  • Water resistance 100m under ISO standard 22810:20108
  • Dust resistance IP6X under IEC 605299
  • 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
  • L1+L5 Precision dual-frequency GPS (GPS, GLONASS, Galileo, QZSS, and BeiDou)
  • Wi-Fi 4 (802.11n)
  • Bluetooth 5.3
  • Second-generation Ultra Wideband chip10
  • Apple Pay
  • GymKit
Environmental Requirements
On-wrist operating temperature:

–20° to 55° C

Operating temperature:

0° to 35° C

Nonoperating storage temperature:

–20° to 45° C

Dive operating temperature:

0° to 40° C

Relative humidity:

5% to 90% noncondensing

Operating altitude:

–500m to 9000m

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:11

Progress toward 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 content12
  • 100% of manufacturing electricity sourced from clean electricity13
  • 50% or more shipped without airplanes14
  • 81% emissions reduction against baseline15
  • 12 kg CO2e or fewer total remaining emissions covered by high-quality carbon credits16

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 battery17
  • 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% fiber-based packaging18
  • 38% recycled content in fiber 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 electricity19
  • Meets California Energy Commission’s energy efficiency standards for battery charger systems20

Waste

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

Smarter chemistry21

  • 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
  • Band
  • Apple Watch Magnetic Fast Charger to USB‑C Cable (1m)
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.