Apple S4
16GB storage, no card slot
1GB RAM
NO
1.78" 448x368 pixels
watchOS 5.0, up to watchOS 10.6.1
Apple Watch Series 4 Aluminum watch. Announced Sep 2018. Features 1.78″ display, Apple S4 chipset, 16 GB storage, 1000 MB RAM, Ion-X strengthened glass.
Network
| Speed | HSPA, LTE |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| 3G Bands | HSDPA 850 / 900 / 2100 / 800 - Europe, Australia |
| 4G Bands | 1, 3, 5, 7, 8, 18, 19, 20, 26 - Europe, Australia |
| Technology | GSM / HSPA / LTE |
Launch
| Status | Discontinued |
| Announced | 2018, September. Released 2018, September |
Body
| SIM | eSIM |
| Build | Glass front, ceramic/sapphire crystal back, aluminum frame |
| Weight | 36.7 g (1.31 oz) |
| Dimensions | 44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in) |
Display
| Size | 1.78 inches |
| Type | Retina LTPO OLED, 1000 nits (peak) |
| Protection | Ion-X strengthened glass |
| Resolution | 448 x 368 pixels (~326 ppi density) |
Platform
| Operating System | watchOS 5.0, upgradable to watchOS 10.6.1 |
| CPU | Dual-core |
| GPU | PowerVR |
| Chipset | Apple S4 |
Memory
| Internal Storage | 16GB 1GB RAM |
| Card Slot | No |
Sound
| specs.keys.3.5mm jack | No |
| Loudspeaker | Yes |
Communications
| NFC | Yes |
| USB | No |
| WLAN | Wi-Fi 802.11 b/g/n |
| Radio | No |
| Bluetooth | 5.0, A2DP, LE |
| Positioning | GPS, GLONASS, GALILEO, QZSS |
Features
| Sensors | Accelerometer, gyro, heart rate, barometer |
Battery
| Type | Li-Ion 292 mAh (1.12 Wh), non-removable |
| Charging | Wireless |
Miscellaneous
| Price | About 430 EUR |
| Colors | Silver, Gold, Space Gray |
| Models | A1975, A1976, A2007, A2008, A1977, A1978 |
