📡 Network & Connectivity
- Technology: GSM / HSPA / LTE / 5G
- SIM: eSIM support
- Wireless Connectivity:
- Wi-Fi 802.11 b/g/n (dual-band)
- Bluetooth 5.3 (A2DP, LE)
- NFC for Apple Pay
- Positioning: GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
🏗️ Design, Build & Durability
- Dimensions: 49 x 44 x 12 mm
- Weight: 61.6g / 61.8g (Black version)
- Build Materials:
- Sapphire crystal front
- Ceramic/sapphire crystal back
- Grade 5 titanium frame
- Durability Features:
- IP6X dust resistance
- 100m water resistance (ISO 22810:2010)
- 40m diving/swimproof certification (EN13319)
- MIL-STD-810H military-grade durability
- Additional Features:
- ECG certified (region dependent)
- Emergency SOS via satellite
📺 Display
- Type: Retina LTPO3 OLED
- Size: 1.98 inches
- Resolution: 514 x 422 pixels (~326 ppi density)
- Brightness: Up to 3000 nits peak brightness
- Protection: Sapphire crystal glass
- Display Features: Wide-angle OLED technology
⚙️ Performance & Platform
- Operating System: watchOS 26 (upgradable to watchOS 26.4)
- Chipset: Apple S10
- CPU: Dual-core processor
- GPU: PowerVR graphics
🧠 Advanced Sensors & Smart Features
The Apple Watch Ultra 3 is packed with premium health, fitness, and navigation tools:
- Heart Rate Sensor
- Accelerometer & Gyroscope
- Compass & Barometer
- Always-On Altimeter (-500m to 9000m)
- Blood Oxygen (SpO2) Monitoring
- VO2 Max Tracking
- Body & Water Temperature Sensors
- Temperature sensing with 0.01˚ accuracy
- Depth gauge with ±1m accuracy
- Ultra Wideband (UWB) Gen 2 support
- Emergency SOS via satellite
🔋 Battery & Charging
- Battery Type: Li-Ion 599 mAh
- Charging: Wireless charging
- Fast Charging: 0–80% in approximately 45 minutes
