Apple Watch Ultra 4 (2026) GPS + Cellular Smartwatch – S11 / 49mm Always-On Retina LTPO3 OLED / 64GB / watchOS / Black Titanium Case / Translucent Black Ocean Band – [MJAY4AF/A]

Apple Watch Ultra 4 GPS + Cellular combines a rugged 49mm Grade 5 titanium case with a bright Always-On Retina display, advanced health sensing, precision dual-frequency GPS and cellular connectivity. This exact configuration includes a black titanium case and a translucent black Ocean Band in one size.

Key Specifications

• Brand: Apple
• Product family: Apple Watch Ultra 4
• Manufacturer part number: MJAY4AF/A
• Hardware model: A3579
• Connectivity: GPS + Cellular with 5G and LTE support
• Case size: 49mm
• Case material: Grade 5 titanium
• Case finish: Black
• Display: Always-On Retina wide-angle OLED with LTPO3, 1Hz refresh rate and 422 × 514-pixel resolution
• Display protection: Flat sapphire crystal
• Peak brightness: Up to 3000 nits
• Processor: Apple S11 chip with 64-bit dual-core processor
• Neural Engine: 4-core Neural Engine
• Storage: 64GB
• Operating system: watchOS
• Band: Translucent Black Ocean Band, one size
• Dimensions: 49 × 44 × 12mm
• Weight: 63.1g for the black finish
• Water resistance: 100 metres, with recreational scuba diving support to 40 metres
• Dust resistance: IP6X
• Wireless connectivity: Wi-Fi 4, 2.4GHz and 5GHz Wi-Fi, Bluetooth 5.3 and precision dual-frequency GPS
• Battery life: Up to 50 hours of normal use, up to 84 hours in Low Power Mode and up to 45 hours of Max Extended Workout tracking

Highlights

• Health Sensing System with electrical and optical heart sensors, blood oxygen sensing and temperature sensing
• ECG, heart-rate notifications, sleep tracking, sleep score, Vitals and Readiness features
• Precision dual-frequency GPS for outdoor workouts, hiking and route tracking
• Customizable Action button, Digital Crown with haptic feedback and built-in siren
• Depth gauge and water-temperature sensor for swimming, diving and water sports
• Satellite communications features for Emergency SOS, Messages and Find My where supported
• Fast-charge capable, reaching up to 80% charge in about 45 minutes
• Compatible with iPhone 11 or later with the required current iOS version

The Apple Watch Ultra 4 MJAY4AF/A is the exact black titanium GPS + Cellular Ocean Band configuration for customers seeking an advanced Apple smartwatch in Oman.