Apple Watch Series 9

Size and Weight

45mm

• Height: 45mm

• Width: 38mm

• Depth: 10.7mm

• Weight: 38.7g (Aluminum), 51.5g (Stainless Steel)

Display

• Always-On Retina LTPO OLED display

• Up to 2000 nits brightness

• Ion-X glass (Aluminum models)

• Sapphire crystal (Stainless Steel models)

Chip

• S9 SiP

• 4-core Neural Engine

• 30% faster GPU compared to Series 8

• Supports on-device Siri processing

Health & Sensors

• Blood Oxygen app

• Electrical heart sensor (ECG)

• Third-generation optical heart sensor

• High and low heart rate notifications

• Irregular rhythm notifications

• Temperature sensing

• Cycle tracking with retrospective ovulation estimates

• Fall Detection, Crash Detection

• Noise monitoring

Fitness & Tracking

• Advanced workout tracking

• GPS / GPS + Cellular options

• Compass and Always-On altimeter

• Swimming-proof (WR50)

• IP6X dust resistance

Battery Life

• Up to 18 hours normal use

• Up to 36 hours in Low Power Mode

• Fast charging supported

Connectivity

• Wi-Fi

• Bluetooth 5.3

• GPS, Glonass, Galileo, QZSS, BeiDou

• Optional LTE (Cellular models)

Other Features

• Double Tap gesture

• Siri on-device requests

• Precision Finding for iPhone

• Family Setup support

• watchOS 10 / 11 compatible

• Available in Aluminum and Stainless Steel