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AppleSmartwatches
Apple Watch Ultra 4 GPS + Cellular 49mm Black Titanium Case with Black Titanium Milanese Loop - Small
5G RedCapMPN MJAU4LS/A
- 49 mm
$906.08
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Overview
This Apple Watch Ultra 4 GPS + Cellular pairs a 49mm Grade 5 Black Titanium case with a Black Titanium Milanese Loop in Small. It supports 5G (RedCap) and LTE cellular, satellite Emergency SOS and Messages, and precision dual-frequency GPS. Battery life reaches up to 50 hours of normal use. The Always-On display peaks at 3000 nits under flat sapphire crystal. It is a refined all-black configuration of Apple's most capable watch, for professionals who move between the office and the outdoors.
- 49mm Grade 5 Black Titanium case with Black Titanium Milanese Loop (Small)
- 5G (RedCap) and LTE cellular with international roaming and satellite communications
- Up to 50 hours of normal use and 84 hours in Low Power Mode
- S11 chip with 4-core Neural Engine and 64GB capacity
- 3000-nit Always-On Retina display with flat sapphire crystal
- 100m water resistance, IP6X dust resistance and MIL-STD 810H testing
- Wear an all-black titanium look that works in the boardroom and on the trail
- Take calls, messages and alerts over 5G (RedCap) or LTE with your iPhone left behind
Apple Watch Ultra 4 GPS + Cellular (part number MJAU4LS/A) combines a 49mm Black Titanium case with a matching Black Titanium Milanese Loop in size Small. It suits buyers who want Ultra-class durability and battery life in a dressier, all-black finish. The case weighs 63.1 grams, measures 49 x 44 x 12mm and is made with 100% recycled titanium.
Connectivity covers 5G (RedCap) and LTE with international roaming, Wi-Fi 4, Bluetooth 5.3 and a second-generation Ultra Wideband chip. Satellite communications support Emergency SOS, Messages and Find My beyond cellular coverage. Safety features include Fall Detection, Crash Detection, Check In, a built-in Siren and international emergency calling.
The S11 chip pairs a 64-bit dual-core processor with a 4-core Neural Engine and 64GB capacity. It drives the Health Sensing System for higher-frequency heart monitoring, plus ECG, blood oxygen, Vitals, HRV-based recovery, sleep score and hypertension notifications. Athletes get running power, VO2 max, Pacer, Race Route and Precision Start from the Action button. Divers get depth tracking to 40m.
Battery life is rated up to 50 hours of normal use, 84 hours in Low Power Mode and 45 hours of Max Extended Workout. Fast charging reaches 80% in about 45 minutes. The watch is water resistant to 100m, rated IP6X for dust and tested to MIL-STD 810H. The box includes the watch, the band and a 1m Magnetic Fast Charger to USB-C Cable.
Ideal for
- Executives and consultants who want a dressier titanium watch that stays connected over cellular
- Travelers who rely on international roaming and satellite Emergency SOS
- Endurance training with running power, VO2 max and Max Extended Workout battery life
- Lone-worker and field safety with Fall Detection, Crash Detection and Check In
- Daily health monitoring with ECG, Vitals and sleep apnea notifications
Specifications
Chip
- Capacity
- 64GB capacity
- Processor
- S11 chip with 64-bit dual-core processor
- Neural Engine
- 4-core Neural Engine
- Audio Intelligence
- Live Rewind, Siri Recap, Shazam, Sound Recognition
Audio
- Other
- Media playback; Siren
- Speakers
- Dual speakers
- Microphones
- Three-microphone array with beamforming and wind noise mitigation
Safety
- Details
- Satellite communications (Emergency SOS, Messages, Find My); Emergency SOS; International emergency calling; Siren; Flashlight; Fall Detection; Crash Detection; Last Emergency Call Availability Waypoint; Noise monitoring; Backtrack; Check In
Display
- Type
- Always-On Retina display with wide-angle OLEDs and LTPO3
- Cover
- Flat sapphire crystal display
- Night Mode
- Night Mode for Apple Watch Ultra faces (Modular Ultra, Wayfinder, Orienteering)
- Resolution
- Active area 422 by 514 pixels
- Pixel Density
- 326 pixels per inch
- Minimum Refresh
- 1Hz refresh
- Peak Brightness
- 3000 nits peak brightness
- Minimum Brightness
- 1 nit minimum brightness
General
- MPN
- MJAU4LS/A
- UPC
- 195951394497
- Brand
- Apple
- Model
- Apple Watch Ultra 4
- Product Type
- Smartwatch
- Shipping Weight
- 0.99 lb
Sensors
- Details
- Health Sensing System (second-generation electrical heart sensor, always-on optical heart sensor, blood oxygen sensor, temperature sensor); Depth gauge; Water temperature sensor; Compass; Always-on altimeter; High-g accelerometer; High dynamic range gyroscope; Ambient light sensor
Controls
- Details
- Customizable Action button; Digital Crown with haptic feedback; Side button; Single tap, double tap, and wrist flick gestures; Siri powered by Apple Intelligence
Software
- Operating System
- watchOS
- Apple Intelligence
- Apple Intelligence with Siri AI
Durability
- Dive Rating
- EN13319 recreational scuba diving to 40m (±1m accuracy)
- Dust Resistance
- IP6X under IEC 60529
- Mil Std Testing
- Tested to MIL-STD 810H: altitude, high temperature, low temperature, temperature shock, immersion, freeze with thaw, ice and freezing rain, shock and vibration
- Water Resistance
- Water resistance 100m (swim, snorkel, scuba, high-speed water sports) under ISO 22810:2010
IN The Box
- Contents
- Apple Watch Ultra 4; Band; Apple Watch Magnetic Fast Charger to USB-C Cable (1m)
Environment
- Waste
- No established final assembly sites send waste to landfill
- Energy
- 100% of manufacturing electricity sourced from renewable electricity; expected customer energy use matched with renewable electricity
- Chemistry
- Materials covered by Apple's Regulated Substances Specification
- Packaging
- 100% fiber-based packaging
- Recycled Content
- 45% recycled content, including 100% recycled cobalt in the battery, 95% recycled lithium in the battery and 100% recycled titanium in the case
Connectivity
- GPS
- Precision dual-frequency GPS (GPS, Galileo, QZSS, BeiDou)
- Wi-Fi
- Wi-Fi 4 (802.11n), 2.4GHz and 5GHz networks
- Other
- Apple Pay; GymKit
- Roaming
- International roaming
- Bluetooth
- Bluetooth 5.3
- Family Setup
- Support for Apple Watch For Your Kids
- 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
- Cellular Model
- Model A3579
- Ultra Wideband
- Second-generation Ultra Wideband chip
- 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
- Cellular Technology
- Supports RedCap for 5G and LTE
Accessibility
- Details
- Built-in features supporting vision, mobility, hearing and cognitive disabilities
- Features
- VoiceOver; Zoom; On/Off Labels; Reduce Transparency; Increase Contrast; Color 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; Live Listen; Sound Recognition
Compatibility
- Iphone
- iPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 27 or later
Size And Weight
- Depth
- 12 mm
- Width
- 44 mm
- Height
- 49 mm
- Wrist Fit
- Fits 130–210mm wrists
- Display Area
- 1245 sq mm display area
- Weight Black
- 63.1 grams (black)
- Weight Natural
- 63.0 grams (natural)
- Display Resolution
- 422 by 514 pixels
This Configuration
- Color
- Black/Black
- Band Size
- Small
- Connectivity
- GPS + Cellular
- Apple Part Number
- MJAU4LS/A
- Configuration Name
- Apple Watch Ultra 4 GPS + Cellular, 49mm Black Titanium Case with Black Titanium Milanese Loop - Small
Health And Wellness
- Details
- Readiness app; Vitals app (heart rate, respiratory rate, wrist temperature, sleep duration, HRV); Blood Oxygen app; ECG app; Heart Rate app; High and low heart rate notifications; Recovery HRV; High-frequency background heart rate tracking; Irregular rhythm notifications; Advanced Cycle Tracking app; Medications app; Mindfulness app with state of mind tracking; Noise app; Sleep app with sleep stages; Sleep score; Sleep apnea notifications; Hypertension notifications
Material And Finish
- Titanium Case Grade 5
- Grade 5 titanium case: Natural, Black
Hardware And Buttons
- Details
- Microphone; Speaker; Health Sensing System; Customizable Action button; Siren/Speaker; Antennas (GPS, cellular/satellite); Side button; Digital Crown; Depth gauge/Water temperature sensor/Altimeter
Workouts And Activity
- Diving
- Recreational dive to 40m; Dive computer app (App Store); Automatic launch at 1m; Current and maximum depth duration; GPS entry and exit points; Depth gauge; Water temperature sensor
- Hiking
- Compass with bearing, incline, elevation and coordinates; Custom and automatic waypoints; Backtrack; Offline maps with custom routes; Elevation alerts; Topographic maps (U.S. only); Curated hikes across all 63 U.S. national parks; Siren
- Cycling
- Custom workouts; Customizable Workout Views; Training Load; Average speed, elevation gained, distance; Bluetooth power meter support; Functional Threshold Power; Live Activity on iPhone; Heart Rate Zones; Cadence, speed, power and power zones; Postworkout heart rate
- Running
- Custom workouts; Customizable Workout Views; Training Load; Heart Rate Zones; Postworkout heart rate; VO2 max; Race Route; Pacer; Precision Start; Cadence, Stride Length, Ground Contact Time, Vertical Oscillation, Running Power; Automatic track detection; Multisport; Zone, pace and target alerts
- Swimming
- Custom pool workouts with interval haptics; Pool and open water Workout Views; Splits and auto sets; SWOLF score; Automatic stroke and count detection (including kickboard); Water temperature; Pace, distance, heart rate and laps
- More Workouts
- Skiing, Snowboarding, Outdoor Rowing, Paddling, Golf, Walk, Elliptical, Rower, Stair Stepper, HIIT, Yoga, Functional Strength Training, Dance, Cooldown, Core Training, Pilates, Tai Chi, Wheelchair, Kickboxing, Multisport and more
Power And Battery Life
- Battery
- Built-in rechargeable lithium-ion battery
- Normal Use
- Up to 50 hours of normal use
- Fast Charge
- up to 80% charge in about 45 minutes
- Low Power Mode
- Up to 84 hours in Low Power Mode
- Outdoor Workout
- Up to 18 hours outdoor workout
- Extended Workout
- Up to 25 hours Extended Workout
- Quick Charge 5 Min
- 5 minutes for up to 10 hours of sleep tracking
- Quick Charge 15 Min
- 15 minutes for up to 18 hours of normal use
- Max Extended Workout
- Up to 45 hours Max Extended Workout
Environmental Requirements
- Relative Humidity
- 5% to 90% noncondensing
- Operating Altitude
- –1600 to 29,500 feet (–500m to 9000m)
- Storage Temperature
- –4° to 113° F (–20° to 45° C)
- Operating Temperature
- 32° to 95° F (0° to 35° C)
- Dive Operating Temperature
- 32° to 104° F (0° to 40° C)
- ON Wrist Operating Temperature
- –4° to 130° F (–20° to 55° C)
Questions buyers ask
What band size is included?
This configuration includes the Black Titanium Milanese Loop in size Small.
Does this model have 5G?
Yes. Model A3579 supports RedCap for 5G and LTE, with international roaming.
How long does the battery last?
Apple rates it for up to 50 hours of normal use, up to 84 hours in Low Power Mode and up to 45 hours of Max Extended Workout. It charges to 80% in about 45 minutes.
Is it suitable for diving?
Yes. It is rated to EN13319 for recreational scuba diving to 40m and is water resistant to 100m under ISO 22810:2010.
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