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Apple
Apple Watch Ultra 4 GPS + Cellular 49mm Natural Titanium Case with Sand Trail Loop - S/M
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Apple
Watch Ultra 4 GPS + Cellular 49mm Natural Titanium Case with Sand Trail Loop - S/M
Apple Watch Ultra 4 is the ultimate running and sports watch with multi-day battery life to go the distance. It delivers game changing health and fitness tracking, enabled by the most accurate heart rate sensing in a wearable. With high frequency HRV readings for insights on stress, recovery and your readiness to take on the day. And now every day is more effortless with Siri AI and Audio Intelligence.

Features
MULTI DAY BATTERY LIFE
Ultra 4 is a smartwatch with ultramarathon battery stamina, perfect for runners to go the distance with up to 45 hours of Max Extended Workout tracking. And you can fast charge in just 15 minutes for up to 18 hours of use.
STAY CLOSER TO YOUR HEART HEALTH
The most accurate heart rate sensing in a wearable, Ultra 4 now measures HRV as often as every five minutes for insights on stress and recovery, and background heart rate readings every five seconds.
A FULL-FEATURED HEALTH TRACKER
Better understand your body with advanced health insights. View your overnight health metrics with the Vitals app and get a daily sleep score, track your menstrual cycle and take readings of your blood oxygen.
CHECK YOUR READINESS FOR THE DAY
Know when to rest or put yourself to the test. The readiness experience gives you one clear score and can help you determine your capacity to take on the day by analysing your recent activity, vitals and sleep.
ULTIMATE RUNNING AND WORKOUT COMPANION
A superior fitness tracker for distance running, triathlons, mountain biking, strength training and more. Ultra 4 has precision dual-frequency GPS, Pacer, Heart Rate Zones, Custom Workouts, training load and more.
KEEP HELP CLOSE AT HAND
A smartwatch that puts your safety first. Ultra 4 can detect a hard fall or serious car crash.
SIRI AI AND AUDIO INTELLIGENCE
Using just your voice, engage in natural, back and forth conversations, brainstorm ideas and more with Siri AI. Audio Intelligence helps catch what you missed and summarise conversations with Live Rewind and Siri Recap. Siri AI is rolling out in English. Some Audio Intelligence features coming in beta late 2026. Usage limits may apply.
RUGGED AND READY TO GO
Ultra 4 is built for extreme environments with a tough titanium case and a strong sapphire crystal display. Water resistant up to 100m, this smartwatch is great for swimmers, divers and fans of high-speed water sports.
THE FREEDOM OF CELLULAR
With just your smartwatch, you can take and make calls, stream music and podcasts, and listen with your AirPods even without your iPhone.
Specifications
Brand: Apple
Watch Series: Apple Watch Ultra 4
Connectivity: GPS + Cellular
Case Size: 49mm
Case Material: Titanium
Case Finish: Natural
Band Colour: Sand
Band Type: Trail Loop
Band Size: S/M (130–180mm)
Storage: 64GB
Chip: S11 chip
Processor: 64-bit dual-core processor
Display
Display Type: Always-On Retina display with wide-angle OLED and LTPO3 technology
Refresh Rate: 1Hz
Resolution: 422 × 514 pixels
Pixel Density: 326 pixels per inch
Display Area: 1,245 sq mm
Crystal: Flat sapphire crystal
Peak Brightness: 3,000 nits
Minimum Brightness: 1 nit
Night Mode: Available for supported Apple Watch Ultra watch faces
Buttons and Connectors
Digital Crown: Yes
Side Button: Yes
Action Button: Customizable Action button
Speaker: Dual speakers with Siren
Microphones: Three-microphone array
Antennas: GPS, cellular and satellite connectivity
Health Sensing System: Yes
Depth Gauge: Yes
Water Temperature Sensor: Yes
Altimeter: Yes
Power and Battery
Battery Type: Built-in rechargeable lithium-ion battery
Normal Use: Up to 50 hours
Low Power Mode: Up to 84 hours
Outdoor Workout: Up to 18 hours
Extended Workout: Up to 25 hours
Max Extended Workout: Up to 45 hours
Fast Charging: Yes
Charging Time: Up to 80% charge in about 45 minutes
15-Minute Charge: Provides up to 18 hours of normal use
5-Minute Charge: Provides up to 10 hours of sleep tracking
Size and Weight
Height: 49mm
Width: 44mm
Depth: 12mm
Weight: 63.0g
Wrist Size: Fits 130–210mm wrists
Sensors
Heart Sensor: Third-generation electrical heart sensor
Optical Heart Sensor: Always-on optical heart sensor
Blood Oxygen Sensor: Yes
Temperature Sensor: Yes
Depth Gauge: Yes
Water Temperature Sensor: Yes
Compass: Yes
Altimeter: Always-on altimeter
Accelerometer: High-g accelerometer
Gyroscope: High dynamic range gyroscope
Ambient Light Sensor: Yes
Cellular and Wireless
Wi-Fi: Wi-Fi 4 (802.11n), supporting 2.4GHz and 5GHz networks
Bluetooth: Bluetooth 5.3
GPS: Precision dual-frequency GPS
Satellite Systems: GPS, Galileo, QZSS and BeiDou
Ultra Wideband: Second-generation Ultra Wideband chip
Cellular: 5G and LTE
Apple Pay: Supported
GymKit: Supported
International Roaming: Supported
Apple Watch For Your Kids: Supported
Cellular Bands
5G NR FDD: Bands n1, n2, n3, n5, n7, n8, n12, n14, n20, n25, n26, n28, n66, n71
5G NR TDD: Bands n38, n40, n41, n53
LTE FDD: Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 66, 71
LTE TDD: Bands 38, 39, 40, 41, 53
RedCap: Supported
Model
Model Number: A3579
In the Box
Contents: Apple Watch Ultra 4, Sand Trail Loop, Apple Watch Magnetic Fast Charger to USB-C Cable (1m)
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