Apple Watch Series 9 Details
- Processor Apple S9 SiP with 64-bit dual-core processor and 4-core
Neural Engine — faster performance and on-device Siri processing
- Display Always-On Retina LTPO OLED — 41 mm or 45 mm sizes, up to
**2000 nits brightness** (very bright outdoors) with edge-to-edge screen
- RAM ~1-2 GB unified memory
- Storage 32 GB / 64 GB internal storage options reported
- Operating System watchOS 10 (upgradable to later versions)
- Connectivity GPS; Wi-Fi 802.11 b/g/n; Bluetooth 5.3; NFC; Optional
GPS + Cellular (LTE/UMTS) models; **UWB 2nd-gen Ultra Wideband** for Precision
Finding and iPhone integration
- Sensors & Health ECG (electrical heart sensor); Optical heart
sensor; **Temperature sensing** for cycle tracking; Compass; Always-on altimeter;
Barometer; Accelerometer; Gyroscope; Ambient light sensor; Blood Oxygen & other
health monitoring (region dependent)
- Features Double tap gesture (control without touching display);
on-device Siri; Fall Detection; Crash Detection; International Emergency SOS
- Battery & Charging Built-in rechargeable lithium-ion battery — **up
to ~18 hours** typical use; fast charging support; Low Power Mode can extend to ~36
hours
- Water & Durability Water resistant to 50 meters (WR50); IP6X dust
resistant
- Case Sizes & Weight
- 41 mm aluminum — ~31.9 g (GPS) / ~32.1 g (GPS + Cellular)
- 45 mm aluminum — ~38.7 g (GPS) / ~39.0 g (GPS + Cellular)
