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Apple Watch Ultra 4 49mm Black (Black Silicone Strap)
Network
| Technology | 5G RedCap / LTE / Satellite communication |
|---|---|
| 5G Bands | FDD: n1, n2, n3, n5, n7, n8, n12, n14, n20, n25, n26, n28, n66, n71; TDD: n38, n40, n41, n53 |
| 4G Bands | FDD LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 66, 71; TDD LTE: 38, 39, 40, 41, 53 |
| Cellular | GPS + Cellular |
| Satellite Communication | Emergency SOS, Messages and Find My via satellite |
| International Roaming | Supported |
| Apple Watch For Your Kids | Supported |
Body
| Dimensions | 49 x 44 x 12 mm |
|---|---|
| Weight | 63.1 g (Black Titanium) |
| Build | Grade 5 titanium case, ceramic back and flat sapphire crystal display |
| Case Color | Black |
| Case Material | Grade 5 titanium |
| Strap | Black Silicone Strap |
| Wrist Compatibility | 130–210 mm |
| Water Resistance | 100 meters under ISO 22810:2010 |
| Dust Resistance | IP6X |
| Dive Rating | EN13319 recreational scuba diving to 40 meters |
| Military Standard | Tested to MIL-STD 810H for selected altitude, temperature, immersion, freeze/thaw, ice/freezing rain, shock and vibration conditions |
Display
| Type | Always-On Retina display, wide-angle OLED, LTPO3 |
|---|---|
| Size | 49mm |
| Resolution | 422 x 514 pixels |
| Pixel Density | 326 ppi |
| Display Area | 1245 sq mm |
| Refresh Rate | 1Hz minimum |
| Peak Brightness | 3000 nits |
| Minimum Brightness | 1 nit |
| Protection | Flat sapphire crystal |
| Always-On Display | Yes |
| Night Mode | Supported for Modular Ultra, Wayfinder and Orienteering watch faces |
Platform
| OS | watchOS |
|---|---|
| Chipset | Apple S11 |
| CPU | 64-bit dual-core processor |
| Neural Engine | 4-core Neural Engine |
| Apple Intelligence | Supported |
| Siri | Siri powered by Apple Intelligence |
| Audio Intelligence | Live Rewind, Siri Recap, Shazam and Sound Recognition |
Memory
| Internal | 64GB |
|---|---|
| Storage Expansion | Not supported |
Health Sensors
| Electrical Heart Sensor | Second-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 |
Health and Wellness
| ECG | Supported |
|---|---|
| Heart Rate Monitoring | High-frequency background heart rate tracking |
| Heart Rate Notifications | High and low heart rate notifications |
| Irregular Rhythm Notifications | Supported |
| Blood Oxygen | Blood Oxygen app |
| Vitals | Heart rate, respiratory rate, wrist temperature, sleep duration and heart rate variability (HRV) |
| Readiness | Readiness app |
| Recovery HRV | Supported |
| Sleep Tracking | Sleep stages and sleep score |
| Sleep Apnea Notifications | Supported |
| Hypertension Notifications | Supported |
| Cycle Tracking | Fertile window estimates, retrospective ovulation estimates, and perimenopause and menopause support |
| Medications | Medications app supported |
| Mindfulness | State of mind tracking |
| Noise Monitoring | Noise app |
Main Features
| Action Button | Customizable Action button with Precision Start support |
|---|---|
| Digital Crown | Digital Crown with haptic feedback |
| Side Button | Yes |
| Gestures | Single tap, double tap and wrist flick gestures |
| Siren | Built-in emergency siren |
| Flashlight | Supported |
| Backtrack | Supported |
| Check In | Supported |
Fitness
| Workout Tracking | Custom workouts and customizable workout views |
|---|---|
| Training Load | Supported |
| Heart Rate Zones | Customizable |
| VO2 Max | Supported |
| Running Metrics | Cadence, stride length, ground contact time, vertical oscillation, running power and pace |
| Running Features | Race Route, Pacer, Precision Start and automatic track detection |
| Cycling | Speed, elevation, distance, cadence, power zones, Bluetooth power meters and Functional Threshold Power |
| Swimming | Pool and open-water swimming, stroke detection, SWOLF, splits, laps and water temperature |
| Hiking | Compass bearings, incline, elevation, coordinates, waypoints, Backtrack, offline maps and elevation alerts |
| Diving | Recreational scuba diving to 40 meters |
| Dive Computer | Dive computer app available through the App Store |
| Other Workouts | Skiing, snowboarding, rowing, paddling, golf, walking, elliptical, HIIT, yoga, functional strength, dance, Pilates, tai chi, wheelchair workouts, kickboxing and multisport |
Comms
| WLAN | Wi-Fi 2.4GHz and 5GHz, Wi-Fi 4 (802.11n) |
|---|---|
| Bluetooth | Bluetooth 5.3 |
| GPS | Precision dual-frequency GPS |
| Positioning | GPS, Galileo, QZSS and BeiDou |
| Ultra Wideband | Second-generation Ultra Wideband chip |
| NFC | Yes, Apple Pay |
| Apple Pay | Supported |
| GymKit | Supported |
| Satellite | Built-in satellite communication for Emergency SOS, Messages and Find My |
Sound
| Loudspeaker | Dual speakers |
|---|---|
| Microphone | Three-microphone array with beamforming and wind noise mitigation |
| Siren | Built-in siren |
| Media Playback | Supported |
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 | Supported |
| 0–80% Charging | About 45 minutes |
| 15-Minute Charge | Up to 18 hours of normal use |
| 5-Minute Charge | Up to 10 hours of sleep tracking |
| Charger | Apple Watch Magnetic Fast Charger to USB-C Cable (1m) |
Durability
| Water Resistance | 100 meters under ISO 22810:2010 |
|---|---|
| Dust Resistance | IP6X under IEC 60529 |
| Scuba Diving | Recreational scuba diving to 40 meters under EN13319 |
| High-Speed Water Sports | Supported |
| Military Standard | Tested to MIL-STD 810H |
| On-Wrist Operating Temperature | -20–55°C |
| Operating Temperature | 0–35°C |
| Storage Temperature | -20–45°C |
| Dive Operating Temperature | 0–40°C |
| Humidity | 5–90% non-condensing |
| Operating Altitude | -500 to 9000 meters |
Materials and Sustainability
| Case Material | Grade 5 titanium |
|---|---|
| Recycled Content | 45% recycled content |
| Recycled Titanium | 100% recycled titanium in the case |
| Battery Cobalt | 100% recycled cobalt |
| Battery Lithium | 95% recycled lithium |
| Battery Enclosure | 80% recycled steel |
| Taptic Engine | 100% recycled copper wire and recycled tungsten |
| Circuit Boards | 100% recycled gold plating and tin solder in Apple-designed PCBs |
| Packaging | 100% fiber-based packaging |
Compatibility
| iPhone Compatibility | iPhone 11 or later, including iPhone SE (2nd generation or later) |
|---|---|
| Required iOS | iOS 27 or later |
General
| Product Name | Apple Watch Ultra 4 49mm Black |
|---|---|
| Model | Apple Watch Ultra 4 |
| Year Introduced | 2026 |
| Case Size | 49mm |
| Case Material | Grade 5 Titanium |
| Case Color | Black |
| Strap | Black Silicone Strap |
| Storage Capacity | 64GB |
| Cellular | GPS + Cellular |
In the Box
| Watch | Apple Watch Ultra 4 |
|---|---|
| Band | Black Silicone Strap |
| Charger | Apple Watch Magnetic Fast Charger to USB-C Cable (1m) |
Identifiers
| MPN | MJAY4QR/A |
|---|---|
| GTIN / EAN / UPC | 195951217215 |
