Engineered for extreme environments, endurance endurance sports, and high-speed water adventures, the Apple Watch Ultra 3 GPS + Cellular 49mm Black Titanium Case with Black Ocean Band (Model: MF0J4) is built to push boundaries. Featuring a rugged yet light aerospace-grade Black Titanium case with raised edge protection, a flat sapphire front crystal, Precision Dual-Frequency GPS, and up to 36 hours of regular battery life (or 72 hours in Low Power Mode), Ultra 3 delivers uncompromised reliability wherever your journey leads.
Key Features
- EXTREME TITANIUM DURABILITY: 49mm Black Titanium case offers exceptional strength-to-weight ratio, corrosion resistance, and raised edges to protect the sapphire crystal glass.
- BLACK OCEAN BAND: Molded in high-performance fluoroelastomer with a tubular geometry that stretches for a secure fit, even over a wetsuit, featuring titanium buckle hardware.
- PRECISION DUAL-FREQUENCY GPS: Uses L1 and L5 GPS integration with advanced positioning algorithms for pinpoint accuracy in dense urban environments or deep wilderness.
- WATER & DIVING READY: 100m water resistance, EN13319 certification for scuba diving to 40 meters, depth gauge, and water temperature sensor.
- CUSTOMIZABLE ACTION BUTTON: Instantly start workouts, mark waypoint segments, initiate Backtrack, or configure custom shortcuts with a single press.
- EXTENDED BATTERY LIFE: Up to 36 hours of standard use and up to 72 hours in Low Power Mode, supported by fast charging capability.
- ULTRA-BRIGHT RETINA DISPLAY: Always-On Retina display delivering up to 3,000 nits peak brightness for effortless outdoor readability in direct sunlight.
- LIFESAVING SAFETY TECH: Built-in 86-decibel Siren audible up to 600 feet, Fall Detection, Crash Detection, Emergency SOS, and cellular connectivity for off-grid confidence.
Technical Specifications
| Product Title | Apple Watch Ultra 3 GPS + Cellular 49mm Black Titanium Case with Black Ocean Band |
|---|---|
| MPN / Part Number | MF0J4 |
| Case Size & Material | 49mm Black Titanium Case (Aerospace-grade) |
| Band Type & Size | Black Ocean Band (Fits 130–200mm wrists; extension sold separately) |
| Connectivity | GPS + Cellular, Wi-Fi, Bluetooth 5.3, Ultra Wideband (UWB 2) |
| Battery Life | Up to 36 Hours Normal Use (Up to 72 Hours in Low Power Mode) |
| Display Type | Always-On Retina OLED Display (Up to 3,000 nits, Flat Sapphire Crystal Front) |
| Durability & Water Resistance | 100m Water Resistant (ISO 22810), MIL-STD 810H Tested, IP6X Dust Resistant, EN13319 Dive Standard |
| Compatibility | Requires iPhone 11 or later running iOS 26 or later |
Frequently Asked Questions
Q: What is included in the box with Apple Watch Ultra 3 MF0J4?
A: The box contains the 49mm Black Titanium Case, Black Ocean Band, and an Apple Watch Magnetic Fast Charger to USB-C Cable (1m).
Q: Can I use the Apple Watch Ultra 3 Black Ocean Band for scuba diving?
A: Yes, Apple Watch Ultra 3 is EN13319 certified and water-resistant to 100 meters, making it suitable for recreational scuba diving down to 40 meters, high-speed water sports, and swimming.
Q: Does this model support Cellular setup without an iPhone nearby?
A: Yes, with an active cellular plan, you can make calls, send messages, stream music, and use GPS navigation even when leaving your iPhone behind.
Q: Which iPhone models are compatible with Apple Watch Ultra 3?
A: Apple Watch Ultra 3 requires an iPhone 11 or later running iOS 26 or later.