Apple Watch Series 9 4G 45mm specifications
| Dimensions | 45 x 38 x 10.7 mm |
| Volume | 18.3 cc |
| Weight | 51.5 grams |
| Stand-by | depends on usage |
| Talk time | depends on usage |
| Announced | September 2023 |
| Status | No longer available |
| Watch | |
| Directional key | |
| Hand gestures | |
| Touchscreen | Force Touch, Capacitive |
| Voice command | |
| watchOS | 10 |
| Color display | Adjustable display brightness, 16.777.216 colors (24 bits), OLED, Always On feature |
| 1.9 inch |
| 396 x 484 pixels |
| 11:9 |
| 2000 nits |
| 329 |
| 66.8% |
| Processor | Apple S9, Dual Core |
| Aluminium | |
| Dust and waterproof | IPX6, 5 ATM |
| Sapphire Crystal | |
| Stainless Steel | |
| Sustainable | Carbon neutral |
| eSIM | |
| Flight mode | |
| Integrated handsfree speaker | |
| Vibrating alert | |
| 4G (LTE) | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 39, Band 40, Band 41 |
| UMTS | |
| Alarm clock | |
| Date and time notation | |
| Reminder list | |
| Stopwatch & countdown timer | |
| Pedometer | |
| Photo album | |
| Build-in navigation system | Apple Maps |
| Digital Compass | |
| Galileo | |
| GLONASS | |
| GPS receiver | |
| Quasi-Zenith (QZSS) | |
| Microphone | |
| Internal memory | |
| 64 GB |
| Bluetooth | v5.0 |
| NFC | |
| Satellite communication | |
| Synchronisation | |
| Ultra-wideband (UWB) | |
| Wireless Lan (WLAN/Wi-Fi) | Wi-Fi 4 (802.11n) |
| Battery | Li-ion |
| 308 mAh |
| Fast charging | |
| 20 Watt |
| Wireless charging | |
| Altimeter | |
| Ambient light sensor | |
| Barometer | |
| Gesture recognition | |
| Gyroscope | |
| Heart rate monitor | |
| Oxygen saturation (SpO2) | |
| With iOS | Vanaf 17 |