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Apple Watch Ultra 2 - Tech Specs

Year introduced: 2023

Material and Finish

Titanium case, Grade 5

  • Natural

  • Black

Size and Weight

  • Height: 49mm

  • Width: 44mm

  • Depth: 14.4mm

  • 410x502 pixels

  • 1,185 sq mm display area

  • Weight (natural): 61.4 grams

  • Weight (black): 61.8 grams

  • Fits 130–210mm wrists

Hardware and Buttons

  • Microphone

  • Speaker

  • Action button

  • Siren

  • Side button

  • 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 ±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 with state of mind tracking

  • Noise app

  • Sleep app including sleep stages

  • Sleep apnoea notifications5

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 about Power and Battery Life

Operating System

watchOS

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

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

  • 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 workouts for pool swims

  • Splits and auto sets

  • SWOLF score

  • Stroke type tracking

  • Automatic stroke detection

  • Kickboard detection

  • Average pace, total distance and lengths

  • Diving

  • Recreational dive to 40m

  • Dive computer app (available on the App Store)8

  • Automatic launch at 1m

  • Current and maximum depth duration

  • GPS entry and exit points

  • Depth gauge

  • Water temperature sensor

More Workouts

  • Skiing

  • Snowboarding

  • Outdoor Rowing

  • Paddling

  • Golf

  • Walk

  • Elliptical

  • Rowing Machine

  • Stair Stepper

  • HIIT

  • Yoga

  • Functional Strength Training

  • Dance

  • Cooldown

  • Core Training

  • Pilates

  • Tai Chi

  • Wheelchair

  • Kickboxing

  • Multisport

  • and more

Safety

  • Emergency SOS9

  • International emergency calling10

  • Siren

  • Crash Detection9

  • Fall Detection

  • Last Emergency Call Availability Waypoint

  • Noise Monitoring

  • Backtrack

Durability

  • Water resistance 100m under ISO standard 22810:201011

  • Dust resistance IP6X under IEC 6052912

  • 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

  • 4G 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

  • Apple Pay

  • GymKit

  • Support for Family Setup15

Accessibility

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

Learn more about Accessibility

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, 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 or Trail Loop is one of Apple’s first carbon-neutral products:

  • 30% recycled or renewable content17

  • 100% of manufacturing electricity sourced from clean electricity18

  • 50% or less shipped by air19

  • 81% emissions reduction against baseline20

  • 12kg 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% recycled content, including:

  • 95% recycled titanium in the case

  • 100% recycled cobalt in the battery22

  • 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 packaging23

  • 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 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 Programme

Smarter chemistry26

  • Arsenic-free display glass

  • Mercury-, BFR- and PVC‑free

  • Meets European REACH regulation on nickel

Compatibility

  • iPhone Xs or later with iOS 18 or later and iPhone SE (2nd generation or later)

In the Box

  • Apple Watch Ultra 2

  • Strap

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

  1. The temperature sensing feature is not intended for medical use. Temperature sensing is available only on Apple Watch Series 8 and later and all Apple Watch Ultra models.

  2. The ECG app is available on Apple Watch Series 4 and later (excluding Apple Watch SE) and can generate an ECG similar to a single-lead electrocardiogram. Intended for use by people 22 years old and over.

  3. The Cycle Tracking app should not be used for birth control or to diagnose a health condition.

  4. Irregular rhythm notification requires the latest version of watchOS and iOS. It is not intended for use by people under 22 years old or those who have been previously diagnosed with atrial fibrillation (AF).

  5. The Sleep Apnoea Notification feature is supported on Apple Watch Series 9 and later and Apple Watch Ultra 2. It is intended to detect signs of moderate to severe sleep apnoea for people 18 years old or older without a diagnosis of sleep apnoea.

  6. Multi-day battery life is based on the following use: 600 time checks, 180 notifications, 30 minutes of app use, and a 60-minute workout with music playback from Apple Watch via Bluetooth, over the course of 36 hours; Apple Watch Ultra 2 (GPS + Cellular) usage includes a total of 8 hours of 4G LTE connection and 28 hours of connection to iPhone via Bluetooth over the course of 36 hours. Battery life in Low Power Mode is based on the following use: 1,200 time checks, 360 notifications, 60 minutes of app use, and two 60-minute workouts with music playback from Apple Watch via Bluetooth, over the course of 72 hours; Apple Watch Ultra 2 (GPS + Cellular) usage includes on-demand 4G LTE connection and 60 hours of connection to iPhone via Bluetooth over the course of 72 hours. Testing conducted by Apple in August 2024 using pre‑production Apple Watch Ultra 2 (GPS + Cellular) paired with an iPhone; all devices tested with pre‑release software. Battery life varies by use, configuration, mobile network, signal strength and many other factors; actual results will vary.

  7. Charge times are from 0–80% and 0–100% using the included Apple Watch Magnetic Fast Charger to USB-C Cable. Testing conducted by Apple in August 2023 using pre‑production Apple Watch Ultra 2 (GPS + Cellular) paired with an iPhone; all devices tested with pre-release software, Apple Watch Magnetic Fast Charging USB-C Cable (Model A2515) and Apple 20W USB-C Power Adapter (Model A2305). Charge time varies with region, settings and environmental factors; actual results will vary.

  8. A subscription is required for Oceanic+. Available on the App Store. Apple Watch Series 10 supports snorkelling to 6 metres; Apple Watch Ultra 2 supports recreational scuba diving to 40 metres. Always follow diving protocols and dive with a companion and have a secondary device.

  9. Emergency SOS requires a cellular connection or Wi‑Fi calling with an internet connection from your Apple Watch or nearby iPhone.

  10. Requires Apple Watch Series 7, Apple Watch SE, Apple Watch Ultra or later. For a list of supported countries and regions, see apple.com/uk/watchos/feature-availability.

  11. Apple Watch Ultra 2 has a water resistance rating of 100 metres under ISO standard 22810. It may be used for recreational scuba diving (with compatible third-party app from the App Store) to 40 metres and high-speed water sports. Apple Watch Ultra 2 should not be used for diving below 40 metres. Water resistance is not a permanent condition and can diminish over time. For additional information see support.apple.com/en-gb/HT205000.

  12. Apple Watch Ultra 2 is rated IP6X dust resistant.

  13. Wireless service plan required for cellular service. Contact your service provider for more details. Connection may vary based on network availability. Check apple.com/uk/watch/cellular for participating network providers and eligibility. See support.apple.com/en-gb/HT207578 for additional setup instructions.

  14. Ultra Wideband availability varies by region.

  15. Not all features will be available if the Apple Watch is set up through Family Setup. Wireless service plan required for cellular service. Contact your service provider for more details. Check apple.com/uk/watch/cellular for participating network providers and eligibility.

  16. Data accurate as of product launch. Product statements are based on US configuration of Apple Watch Ultra 2 paired with Alpine Loop.

  17. Product recycled or renewable content is the mass of certified recycled material relative to the overall mass of the device, not including packaging or in‑box accessories.

  18. Our manufacturing electricity is sourced from clean electricity, including a mix of supplier and Apple clean-energy projects.

  19. 50% of all carbon-neutral products by weight are planned, as of product launch, to be shipped via non‑air modes of transport over the lifetime of the products.

  20. Carbon reductions are calculated against a baseline scenario: 1) No use of clean electricity for manufacturing or product use, beyond what is already available on the latest modelled grid (based on regional emissions factors). 2) Apple’s carbon intensity of key materials as of 2015 (our baseline year for our 2030 product carbon-neutrality goal). Carbon intensity of materials reflects use of recycled content and production technology. 3) Apple’s average mix of transport modes (air, rail, sea, land) by product line across three years (fiscal years 2017 to 2019) to best capture the baseline transport emissions of our products.

  21. For more information about our use of carbon credits, please see the Product Environmental Report.

  22. All cobalt claims are on a mass balance allocation.

  23. Based on retail packaging as shipped by Apple. Breakdown of US retail packaging by weight. Adhesives, inks and coatings are excluded from our calculations of plastic content and packaging weight.

  24. Apple is matching 100% of expected electricity consumption only for carbon-neutral aluminium Apple Watch Series 10, Apple Watch SE and Apple Watch Ultra 2 combinations.

  25. Apple Watch Ultra 2 meets California Energy Commission’s Energy Efficiency Standards for Small Battery Charger Systems as outlined in the California Code of Regulations.

  26. Apple’s Regulated Substances Specification describes Apple’s restrictions on the use of certain chemical substances in materials in Apple products, accessories, manufacturing processes, and packaging used for shipping products to Apple’s end customers. Restrictions are derived from international laws or directives, regulatory agencies, eco-label requirements, environmental standards and Apple policies. Every Apple product is free of PVC and phthalates except for AC power leads in India, Thailand (for two-pin AC power leads) and the Republic of Korea, where we continue to seek government approval for our PVC and phthalates replacement. Apple products comply with the European Union Directive 2011/65/EU and its amendments, including exemptions for the use of lead such as high-temperature solder. Apple is working to phase out the use of these exempted substances for new products where technically possible.

Apple Watch Ultra 2, Apple Watch Series 10 and Apple Watch SE require iPhone Xs or later with iOS 18 or later.

Features are subject to change. Some features, applications and services may not be available in all regions or all languages. View complete list.