Apple S1
8GB storage, no card slot
512MB RAM
NO
1.65" 390x312 pixels
watchOS 1.0, up to watchOS 4.3.2
250mAh
Apple Watch 42mm (1st gen) watch. Announced Sep 2014. Features 1.65″ display, Apple S1 chipset, 250 mAh battery, 8 GB storage, 512 MB RAM, Sapphire crystal glass.
Network
| specs.keys.EDGE | No |
| specs.keys.GPRS | No |
| 2G Bands | N/A |
| Technology | No cellular connectivity |
Launch
| Status | Discontinued |
| Announced | 2014, September. Released 2015, April |
Body
| SIM | No |
| Build | Glass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frame |
| Weight | 50 g body (2.82 oz) |
| Dimensions | 42 x 35.9 x 10.5 mm (1.65 x 1.41 x 0.41 in) |
Display
| Size | 1.65 inches |
| Type | Retina OLED, 450 nits (peak) |
| Protection | Sapphire crystal glass |
| Resolution | 390 x 312 pixels (~303 ppi density) |
Platform
| Operating System | watchOS 1.0, upgradable to watchOS 4.3.2 |
| CPU | 520 MHz Cortex-A7 |
| GPU | PowerVR SGX543 |
| Chipset | Apple S1 (28 nm) |
Memory
| Internal Storage | 8GB 512MB 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 | 4.0, LE |
| Positioning | No |
Features
| Sensors | Accelerometer, gyro, heart rate |
Battery
| Type | Li-Ion 250 mAh (0.94 Wh), non-removable |
| Charging | Wireless |
Miscellaneous
| Price | About 700 EUR |
| Colors | Stainless Steel/Red, White, Brown/Black/Blue/Marine Blue Buckle, Blue/Stone/White/Storm Gray Leather Loop, Silver/Space Black Milanese Loop, Link Bracelet, Space Black Stainless Steel/Black, Black Link Bracelet, Pearl Woven Nylon |
| Models | A1554 |
