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Apple Watch Ultra 4

Name: Apple Watch Ultra 4
Brand: Apple

The ultimate sports and adventure watch.

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Official international warranty · Delivery across Kenya

Colour Natural

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100% genuine. Direct sources.
Setup support on new devices.
Carefully packed. Trusted riders.

Tech specs.

Material and Finish

Titanium case, Grade 5
Natural, Black

Size and Weight

Height: 49mm
Width: 44mm
Depth: 12mm
422 by 514 pixels
1245 sq mm display area
Weight (natural): 63.0 grams
Weight (black): 63.1 grams
Fits 130 to 210mm wrists

Hardware and Buttons

Microphone
Speaker
Health Sensing System
Customizable Action button
Siren/Speaker
Antennas (GPS, cellular/satellite)
Side button
Digital Crown
Depth gauge/Water temperature sensor/Altimeter

Controls

Customizable Action button
Digital Crown with haptic feedback
Side button
Single tap, double tap, and wrist flick gestures
Siri powered by Apple Intelligence 1

Chip

S11 chip with 64-bit dual-core processor
Audio Intelligence (Live Rewind, Siri Recap, Shazam, Sound Recognition) 2
4-core Neural Engine
64GB capacity

Apple Intelligence and Siri AI

The next generation of Apple Intelligence is centered around you, integrated into your apps, and built with privacy. Apple Intelligence powers Siri AI, an entirely new version of Siri that’s more personal, conversational, and powerful, along with helpful features across apps.

Sensors

Health Sensing System: second-generation electrical heart sensor, always-on optical heart sensor, blood oxygen sensor, 3 and temperature sensor 4
Depth gauge
Water temperature sensor
Compass
Always-on altimeter
High-g accelerometer
High dynamic range gyroscope
Ambient light sensor

Health and Wellness

Readiness app
Vitals app with heart rate, respiratory rate, wrist temperature, sleep duration, and heart rate variability (HRV) 5
Blood Oxygen app 3
ECG app 6
Heart Rate app
High and low heart rate notifications
Recovery HRV
High-frequency background heart rate tracking
Irregular rhythm notifications 7
Advanced Cycle Tracking app with fertile window estimates, retrospective ovulation estimates, and perimenopause and menopause support 8
Medications app 9
Mindfulness app with state of mind tracking
Noise app
Sleep app including sleep stages

Display

Always-On Retina display with wide-angle OLEDs and LTPO3
1Hz refresh
Active area 422 by 514 pixels, 326 pixels per inch
Flat sapphire crystal display
3000 nits peak brightness
1 nit minimum brightness
Night Mode for Apple Watch Ultra faces (Modular Ultra, Wayfinder, Orienteering)

Audio

Three-microphone array with beamforming and wind noise mitigation
Dual speakers
Media playback
Siren

Power and Battery Life

Multiday battery life, up to 50 hours of normal use 12
Up to 84 hours in Low Power Mode 12
Up to 18 hours workout tracking 13
Up to 25 hours Extended Workout tracking 13
Up to 45 hours Max Extended Workout tracking 13
Built-in rechargeable lithium-ion battery
Fast-charge capable 14
Up to 80% charge in about 45 minutes 14
15 minutes for up to 18 hours of normal use 15
5 minutes for up to 10 hours of sleep tracking 15

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.

Workouts and Activity

Running Custom workouts
Customizable Workout Views
Training Load / Workout Effort Tracking
Heart Rate Zones (customizable)
Postworkout heart rate
VO 2 max
Race Route
Pacer
Precision Start using Action button
Cadence, Stride Length, Ground Contact Time, Vertical Oscillation, and Running Power
Automatic track detection
Multisport workout
Heart Rate Zone, pace, and target alerts

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 16
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
Siren

Cycling Custom workouts
Customizable Workout Views
Training Load / Workout Effort Tracking
Average speed, elevation gained, and distance
Bluetooth-compatible with power meters
Functional Threshold Power (with power meter connection)
Live Activity on iPhone
Heart Rate Zones (customizable)
Cadence (rpm), speed (mph), power (watts), power zones (with power meter connection)
Postworkout heart rate

Swimming Custom workouts (pool swim) with haptics to cue the next interval
Customizable Workout Views (pool swim, open water swim)
Splits and auto sets
SWOLF score
Automatic stroke and count detection (including kickboard)
Water temperature
Average pace, total distance, heart rate, and laps

Diving Recreational dive to 40m
Dive computer app (available on the App Store) 17
Automatic launch at 1m
Current and maximum depth duration
GPS entry and exit points
Depth gauge
Water temperature sensor

Safety

Satellite communications (Emergency SOS, Messages, Find My) 18
Emergency SOS 19
International emergency calling 20
Siren
Flashlight
Fall Detection 19
Crash Detection 19
Last Emergency Call Availability Waypoint
Noise monitoring
Backtrack
Check In

Durability

Water resistance 100m (swim, snorkel, scuba, high-speed water sports) under ISO standard 22810:2010 21
Dust resistance IP6X under IEC 60529 22
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

All models
Support for 2.4GHz and 5GHz Wi-Fi networks
Wi-Fi 4 (802.11n)
Bluetooth 5.3
Precision dual-frequency GPS (GPS, Galileo, QZSS, and BeiDou)
Second-generation Ultra Wideband chip 23
Apple Pay 24
GymKit
Model A3579
Supports RedCap for 5G 25 and LTE 26
FDD-5G NR (Bands n1, n2, n3, n5, n7, n8, n12, n14, n20, n25, n26, n28, n66, n71)
TDD-5G NR (Bands n38, n40, n41, n53)
FDD-LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 66, 71)
TDD-LTE (Bands 38, 39, 40, 41, 53)

Compatibility

iPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 27 or later

In the Box

Apple Watch Ultra 4
Band
Apple Watch Magnetic Fast Charger to USB-C Cable (1m)

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Have a question? Call a Specialist or chat online.
The Blood Oxygen app is for wellness purposes only and not for medical use. Measurements are calculated and viewed on iPhone in the Health app.
The temperature sensing feature is not intended for medical use. Temperature sensing is available on Apple Watch Series 8 and later, Apple Watch SE 3, and all Apple Watch Ultra models.
The Vitals app is for wellness purposes only and not for medical use.
The ECG app is available on Apple Watch Series 4 and later (excluding Apple Watch SE models) and all Apple Watch Ultra models and can generate an ECG similar to a single-lead electrocardiogram. Intended for use by people 22 years old or older.
Irregular rhythm notifications are not intended for use by people under 22 years old or those who have been previously diagnosed with atrial fibrillation (AFib).
The Medications feature should not be used as a substitute for professional medical judgment. Additional information is available on the labels of your medications, but please consult your healthcare provider prior to making any decisions related to your health.
Sleep apnea notifications are available on Apple Watch Series 9 and later, Ultra 2 and later, and SE 3. The feature is intended to detect signs of moderate to severe sleep apnea for people 18 years old or older without a diagnosis of sleep apnea.
Hypertension notifications are not intended for use by people under 22 years old, those who have been previously diagnosed with hypertension, or pregnant persons.
Offline Maps is available for Apple Watch Series 6 and later, Apple Watch SE 2 and later, and all Apple Watch Ultra models running watchOS 26 or later. Requires iPhone 11 or later running iOS 26 or later. Not available in all countries and regions.
A subscription is required for Oceanic+. Available on the App Store. Apple Watch Series 10 and later support snorkeling to 6 m; Apple Watch Ultra models support recreational scuba diving to 40 m. Always follow diving protocols and dive with a companion and have a secondary device.