45mm case
Aluminum or stainless steel
case Speaker
Microphone
Digital Crown with haptic feedback
Side button
Double-tap
Siri on-device (processing Siri requests on the device for requests that don’t require information from the Internet)
Retina LTPO OLED Always-on display Edge-to- edgedisplay Ion-X glass front (aluminum cases)
Sapphirecrystal front (stainless steel cases)2000 nits maximum displaybrightness 1 nit minimum display brightnessS9 SiP chip with 64-bit 2-core processor4-core neural engine64GB storageBlood oxygen sensor and ‘Blood Oxygen’app Electrical heart sensor and ‘ECG’app 3rd generation optical heart sensorHigh/low heart rate alertsIrregular heart rate alertsSleep stage detection and recordingTemperature sensing Wrist CompassAlways-on altimeterAccelerometerfor measuring high G-force (G-force)up to 256 G-forces with fall detection and collision detectionGyroscope with high dynamic rangeAmbient light sensorEmergency call (SOS)International emergency callCollision detectionFall detection Dustresistant with IP6X ratingGPS, GNSS, Galileo, BeiDo satellite navigation systems Support for cellular networks UMTS 3 and LTE 4 (cellular models)Wi-Fi 4 (802.11n)Bluetooth 5.3Ultra-wideband wireless communication chip 2 (UltraWide)’Precise location’ of iPhone withApple Pay supportGymKitBuilt-in rechargeable lithium-ion batteryUp to 18 hours of workUp to 36 hours of work in energy-saving modeMagnetic cable for fast charging when connected 

Height: 45 mm
Width: 38 mm
Depth: 10.7 mm
Weight: approx. 39 grams

Apple Watch Series 9
Band/Loop
1 Meter Magnetic Fast Charging USB-C Cable