Processor: Apple S11 SiP
CPU: 64-bit Dual-Core Processor
Neural Engine: 4-core Neural Engine
Storage: 64 GB
Display: Always-On Retina LTPO3 OLED
Display Size: 42 mm / 46 mm
Resolution: 374 × 446 pixels (42 mm) / 416 × 496 pixels (46 mm)
Pixel Density: 326 ppi
Refresh Rate: 1–60 Hz
Brightness: Up to 2,000 nits
Minimum Brightness: 1 nit
Display Protection: Ceramic Shield 2 (Aluminium) / Sapphire Crystal (Titanium & Ceramic)
Case Material: Aluminium / Titanium / Ceramic
Case Sizes: 42 mm / 46 mm
Depth: 9.7 mm (Aluminium/Titanium) / 9.85 mm (Ceramic)
Weight: 31.5–32.2 g (42 mm Aluminium) / 38.6–39.5 g (46 mm Aluminium) / 36.5–44.9 g (Titanium) / 41.7–52.9 g (Ceramic)
Health Sensors: 3rd-generation Electrical Heart Sensor, Always-On Optical Heart Sensor, Blood Oxygen Sensor, Temperature Sensor
Other Sensors: Compass, Always-On Altimeter, High-g Accelerometer, High Dynamic Range Gyroscope, Ambient Light Sensor, Depth Gauge, Water Temperature Sensor
Health Features: ECG, Heart Rate Monitoring, Blood Oxygen Monitoring, Sleep Tracking, Sleep Apnea Notifications, Hypertension Notifications, Temperature Sensing, Readiness Score, Vitals
Fitness Features: Training Load, VO₂ Max, Heart Rate Zones, Running Power, Cadence, Stride Length, Ground Contact Time, Vertical Oscillation, Automatic Track Detection, Multisport Workouts
GPS: Precision L1 GPS
Navigation Systems: GPS, GLONASS, Galileo, QZSS, BeiDou
Wi-Fi: Wi-Fi 4 (802.11n), 2.4 GHz + 5 GHz
Bluetooth: Bluetooth 5.3
Ultra Wideband: 2nd-generation Ultra Wideband chip
Cellular: 5G RedCap + LTE on Cellular models
NFC: Yes
Apple Pay: Yes
Speaker: Yes
Microphone: Yes, with Voice Isolation
Water Resistance: 50 metres
Dust Resistance: IP6X
Depth Gauge: Up to 6 metres
Water Temperature Sensor: Yes
Battery Type: Built-in rechargeable Lithium-Ion
Battery Life: Up to 24 hours
Low Power Mode: Up to 38 hours
Outdoor Workout: Up to 10 hours
Fast Charging: Up to 80% in approximately 30 minutes
Charging: Magnetic fast charging
Safety Features: Emergency SOS, Fall Detection, Crash Detection, Check In, Backtrack, Noise Monitoring
Compatibility: iPhone 11 or later with iOS 26 or later
Gestures: Double Tap, Wrist Flick
Voice Assistant: Siri powered by Apple Intelligence
Colours — Aluminium: Dark Bronze, Light Gold, Black, Space Gray
