• Brand: Apple
• Model: Apple Watch Ultra 4
• Case Material: Grade 5 Titanium
• Case Size: 49mm
• Case Colors: Natural, Black
• Dimensions: 49 × 44 × 12mm
• Weight: 63.0g Natural / 63.1g Black
• Display: Always-On Retina OLED LTPO3
• Display Resolution: 422 × 514 pixels
• Display Area: 1,245mm²
• Display Protection: Flat Sapphire Crystal
• Brightness: Up to 3000 nits
• Chip: Apple S11
• Processor: 64-bit Dual-Core
• Neural Engine: 4-Core
• Storage: 64GB
• Health Sensors: Third-Generation Electrical Heart Sensor, Always-On Optical Heart Sensor, Blood Oxygen Sensor, Temperature Sensor
• Other Sensors: Depth Gauge, Water Temperature Sensor, Compass, Always-On Altimeter, High-G Accelerometer, High Dynamic Range Gyroscope, Ambient Light Sensor
• Connectivity: GPS + Cellular
• GPS: Precision Dual-Frequency GPS
• Wi-Fi: 2.4GHz & 5GHz
• Bluetooth: Bluetooth 5.3
• Water Resistance: WR100
• Dive Rating: Recreational scuba diving to 40m
• Dust Resistance: IP6X
• Durability: MIL-STD 810H tested
• Battery Life: Up to 50 hours normal use
• Low Power Mode: Up to 84 hours
• Fast Charging: Up to 80% in about 45 minutes
• Milanese Loop: Titanium mesh with parachute-style buckle
• Milanese Loop Material: 95% recycled titanium
• Wrist Size: 130–210mm
• Operating System: watchOS 27
• Compatibility: iPhone 11 or later with iOS 27 or later
• In the Box: Apple Watch Ultra 4, Titanium Milanese Loop, Apple Watch Magnetic Fast Charger to USB-C Cable (1m)