Apple Watch Series 9

32-42.3 gm (41mm) / 39-51.5 gm (45mm)

IP6X

41 mm, 45 mm, Stainless Steel, Aluminum

Rubber, Textile, Stainless

41 mm: 35 x 10.7 x 41 mm, 45 mm: 38 x 10.7 x 45 mm

IP6X, 5 ATM

Stainless Steel: Gold, Graphite, Silver, Aluminum: Midnight, Pink, (Product)Red, Starlight

41 mm: 1.69-inch, 45 mm: 1.9-inch

Retina LTPO OLED

41 mm: 430 x 352 px, 328.8 PPI, 45mm: 484 x 396 px, 329.1 PPI

Up to 2000 nits

Stainless Steel: Sapphire crystal display, Aluminum: Ion-X strengthened glass

16.7M Colors, Custom watch faces

Yes

5.3

Wi-Fi 4, dual-band

Yes

Yes

A-GPS, BDS, Galileo, GLONASS, QZSS

iOS 17 or later

Apple Watch app, Health app, Fitness app

watchOS 10

Apple S9 (4nm)

64GB storage

Yes (single speaker)

Yes (single mic)

Optical Heart Rate, ECG, Temperature, Accelerometer, Gyroscope, Compass, Altimeter, Ambient Light

24/7 Heart Rate, SpO2 (Blood Oxygen), ECG, Blood Pressure, Sleep Tracking, Body Composition, Step Count, Crash Detection

21+ workout modes

Up to 1.5 days

308 mAh (Li-Ion)

Up to 18 hours (typical), 36 hours (battery saver)

Wireless charging, 80% in 45 min

Fall Detection, Swimproof