Apple Watch Series 9
Quick details
Released
September 2023
Dimensions
45 x 38 x 10.7 mm; 41 x 35 x 10.7 mm
Operating system
watchOS
Display 41 mm or 45 mm case Always-On Retina LTPO OLED
Battery life Up to 18 hours; up to 36 hours in Low Power Mode
Water resistance 5 ATM; IP6X
GPS Yes
Sensors Electrical and optical heart sensors, Blood Oxygen, temperature, compass, altimeter, accelerometer, gyroscope, ambient light
Technical specifications
General
Release date 2023-09-22
Product type Smartwatch
Physical size 45 x 38 x 10.7 mm; 41 x 35 x 10.7 mm
Weight 45 mm: 38.7 g (aluminum GPS), 39.0 g (aluminum GPS + Cellular), 51.5 g (stainless steel); 41 mm: 31.9 g, 32.1 g, 42.3 g respectively
Material Aluminum or stainless steel case
Water resistance 5 ATM; IP6X
Color options Aluminum: Pink, Midnight, Starlight, Silver, (PRODUCT)RED; Stainless Steel: Gold, Silver, Graphite
Display type Always-On Retina LTPO OLED
Display size 41 mm or 45 mm case
Display resolution 41 mm: 352 x 430 pixels; 45 mm: 396 x 484 pixels
Display brightness Up to 2,000 nits
Display protection Ion-X front glass (aluminum); sapphire front crystal (stainless steel)
Battery Built-in rechargeable lithium-ion battery
Battery life Up to 18 hours; up to 36 hours in Low Power Mode
Charging USB-C magnetic fast charging; up to 80% in about 45 minutes
Sensors
GNSS type Built-in GNSS
GPS Yes
GALILEO Yes
GLONASS Yes
QZSS Yes
Beidou Yes
Accelerometer Yes
Gyroscope Yes
Barometric altimeter Yes
Compass Yes
Ambient light sensor Yes
Optical heart rate Yes
Electrical heart rate Yes
SpO2 Yes
Temperature Yes
Galvanic skin response No
Microphone Yes
Speakers Yes
Vibration motor Yes
Health & activity tracking
Steps Yes
Distance Yes
Calories burned Yes
Floors Yes
Sports tracking Yes
Sleep Yes
Heart rate Yes
HRV Yes
Stress No
Blood oxygen Yes
Respiration rate Yes
Skin temperature Yes
ECG Yes
Blood pressure Hypertension notifications (no direct blood-pressure measurement)
Body composition No
Glucose No
Hydration level No
UV exposure No
Calorie intake No
Hyperglycemia risk assessment No
Arterial stiffness detection No
Pulse wave arrhythmia analysis Yes
Daily smart features
Smartphone compatibility iPhone Xs or later with iOS 17 or later at launch
Operating system at launch watchOS
Processor Apple S9, 64-bit dual-core; 4-core Neural Engine
Storage 64 GB
Bluetooth Yes (5.3)
Wi-Fi Yes (Wi-Fi 4 / 802.11n)
NFC / connected pay Yes (Apple Pay)
UWB Yes (2nd-generation UWB)
Cellular Optional (LTE/UMTS)
Smartphone notifications Yes
Bluetooth calling Yes (standalone on cellular models; via paired iPhone otherwise)
Smartphone music control Yes
On-board music storage Yes
Voice assistant Siri
Links
These technical specs are correct to the best of our knowledge at the time of publishing.
