The 45mm Apple Watch Series 9 features the S9 SiP, a bright Retina OLED display with a maximum brightness of 2,000 nits, and up to 18 hours of battery life (with 36 hours in Low Power Mode). Its features include heart rate and ECG sensors, vehicle crash detection, and fast and wireless charging.
Performance and Display
Processor: S9 SiP with a 64-bit dual-core processor.
Display: 45mm Always-On Retina OLED display, 396 x 484 pixel resolution, and 2,000 nits of peak brightness.
Health and Fitness
Heart Sensors: Third-generation optical heart sensor and ECG app.
Other Sensors: Blood oxygen sensor, body temperature sensor, and ambient light sensor.
Safety Features: Vehicle crash detection with automatic emergency calling.
Battery Life and Connectivity
Battery Life: Up to 18 hours in normal use, 36 hours in low power mode.
Connectivity: Wi-Fi (802.11n), Bluetooth 5.3, GPS (L1), GLONASS, Galileo, QZSS, BeiDou.
Additional Features
Water and Dust Resistance: Water and shock resistant, suitable for swimming.
Charging: Wireless and fast charging.
Accessibility: Built-in features to support visual, motor, hearing, and cognitive impairments.
Double Tap: Quickly perform tasks without touching the screen.
Get it today
Year introduced: 2023
Aluminum case
Stainless steel case
watchOS
watchOS is the world’s most advanced wearable operating system, with apps and features designed to keep you active, healthy, safe, and connected.e
More Workouts
Built‑in accessibility features supporting vision, mobility, hearing, and cognitive disabilities.
