Apple Watch Ultra 4 GPS + Cellular 49mm Titanium Case with Alpine Loop
The Apple Watch Ultra 4 GPS + Cellular 49mm Titanium Case with Alpine Loop is Apple’s premier adventure and endurance smartwatch, built for hikers, trail runners, and alpine explorers. Engineered with a rugged aerospace-grade Grade 5 titanium case and a protective flat sapphire front crystal, it houses an ultra-bright Always-On LTPO3 OLED display capable of reaching 3,000 nits peak brightness for clear visibility in harsh high-altitude sunlight. Paired with the iconic Alpine Loop—woven from two textile layers fused together into a continuous piece without stitching, featuring a corrosion-resistant titanium G-hook that slips smoothly into reinforced top loops for a secure fit—this watch is built to stay comfortably anchored through tough climbs and long expeditions. Powered by the advanced S11 SiP with Apple Intelligence, the Ultra 4 delivers precision dual-frequency GPS, extended multiday battery life of up to 50 hours, and a comprehensive suite of outdoor navigation, altitude, and health-tracking sensors.
- 49mm Grade 5 Titanium Case: Lightweight, rugged, and corrosion-resistant aerospace titanium construction tested to MIL-STD 810H environmental standards.
- Alpine Loop Band: Jointless, high-strength double-layer weave with top loops and a titanium G-hook for a rock-solid, comfortable fit on demanding trails.
- Ultra-Bright 3,000-Nit LTPO3 Display: Flat sapphire crystal glass over an edge-to-edge wide-angle OLED screen for maximum legibility in direct sun or high elevation.
- Precision Dual-Frequency GPS: Integrates dual-band L1 and L5 GPS (supporting GPS, Galileo, QZSS, and BeiDou) to maintain accurate route tracking and elevation data in dense forest canopy or steep rock faces.
- Advanced S11 Chip & Health Sensing: S11 processor with 4-Core Neural Engine powers on-device Siri, Apple Intelligence features, and advanced sensor tracking for heart rate, wrist temperature, and vital signs.
Technical Specifications
| Feature | Specification |
|---|---|
| Brand / Series | Apple / Watch Ultra Series |
| Model Name | Apple Watch Ultra 4 |
| Case Size & Material | 49 mm Natural Titanium / Black Titanium (Grade 5 Aerospace-Grade Titanium) |
| Band Type | Alpine Loop (Seamless High-Strength Two-Layer Weave with Titanium G-Hook) |
| Connectivity | GPS + Cellular (5G NR RedCap & LTE Support, eSIM Enabled) |
| Processor (SoC) | Apple S11 SiP with 64-bit Dual-Core Processor & 4-Core Neural Engine |
| Display Panel | Always-On Retina LTPO3 Wide-Angle OLED Display (3,000 nits Peak Brightness, 1 nit Minimum) |
| Display Protection | Flat Sapphire Crystal Front Display Glass |
| Health Sensing System | 3rd-Gen Electrical Heart Sensor (ECG), Always-On Optical Heart Sensor, Blood Oxygen Sensor, Wrist Temperature Sensor |
| Navigation & Location | Precision Dual-Frequency GPS (L1 & L5), Galileo, QZSS, BeiDou, Compass with Topographic Maps, Always-On Altimeter |
| Outdoor & Dive Sensors | Depth Gauge (to 40m depth), Water Temperature Sensor, High-g Accelerometer, High Dynamic Range Gyroscope |
| Safety Features | 86dB Emergency Siren, Fall Detection, Crash Detection, Emergency SOS, Backtrack Route Tracing |
| Durability & Water Rating | 100m Water Resistant (ISO 22810), EN13319 Scuba Dive Standard (to 40m), IP6X Dust Resistance, MIL-STD 810H Certified |
| Hardware Controls | Customizable Action Button, Digital Crown with Haptic Feedback, Side Button, Double Tap & Wrist Flick Gestures |
| Audio Hardware | Dual Speakers with Loud Siren & Three-Microphone Array with Beamforming and Wind Noise Mitigation |
| Wireless Protocols | Wi-Fi 4 (802.11n 2.4GHz & 5GHz), Bluetooth 5.3, 2nd Gen Ultra Wideband (UWB) Chip |
| Internal Storage | 64 GB Capacity |
| Battery Endurance | Up to 50 Hours Normal Use / Up to 84 Hours in Low Power Mode / Up to 45 Hours Max Extended Outdoor Workout |
| Charging Method | Magnetic Fast Charger to USB-C Cable (Up to 80% charge in approx. 45 minutes) |
| Operating System | watchOS (Includes Apple Intelligence, Siri AI Processing & Advanced Vitals Tracking) |
| Warranty | One-year brand warranty. |
Frequently Asked Questions
Which processor does this product use?
Processor (SoC): Apple S11 SiP with 64-bit Dual-Core Processor & 4-Core Neural Engine.
What storage is available?
Internal Storage: 64 GB Capacity.
What are the display specifications?
Display Panel: Always-On Retina LTPO3 Wide-Angle OLED Display (3,000 nits Peak Brightness, 1 nit Minimum).
What battery or energy specifications are listed?
Battery Endurance: Up to 50 Hours Normal Use / Up to 84 Hours in Low Power Mode / Up to 45 Hours Max Extended Outdoor Workout.
What charging specification is listed?
Charging Method: Magnetic Fast Charger to USB-C Cable (Up to 80% charge in approx. 45 minutes).
How does this product connect?
Connectivity: GPS + Cellular (5G NR RedCap & LTE Support, eSIM Enabled).
What material is this product made from?
Case Size & Material: 49 mm Natural Titanium / Black Titanium (Grade 5 Aerospace-Grade Titanium).
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