Apple S1
1.65 inch
390 × 312 pixels
watchOS 1.0, upgradable to watchOS 4.3.2
250 mAh
Li-Ion
The Apple Watch 42mm (1st gen), features a 1.65 inch display, powered by Apple S1 and 250 mAh battery.
General
| Brand | Apple |
| Model | Apple Watch 42mm (1st gen) |
| 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 |
| Status | Discontinued |
| Announced | 2014, September. Released 2015, April |
| Model Alias | A1554 |
Network
| 2G Network | N/A |
| Bands Guide | Network Bands Guide |
Design
| Width | 35.9 mm (1.41 inch) |
| Height | 42 mm (1.65 inch) |
| Weight | 50 g body (2.82 oz) |
| Thickness | 10.5 mm (0.41 inch) |
Display
| Resolution | 390 × 312 pixels |
| Display Size | 1.65 inch |
| Pixel Density | 303 ppi |
| Peak Brightness | 450 cd/m² |
Software
| Operating System | watchOS 1.0, upgradable to watchOS 4.3.2 |
Processor & Memory
| GPU | PowerVR SGX543 |
| Chipset | Apple S1 |
| Technology | 28 nm |
| CPU Architecture | 64-bit |
| Expandable Storage | No |
Multimedia
| FM Radio | No |
| Loudspeaker | Yes |
| Headphone Jack | No |
Connectivity
| Bluetooth | Yes, v4.0 |
| GPS Support | No |
| NFC Support | Yes |
| Wi-Fi Support | Yes (Wi-Fi 802) |
| Wi-Fi Standards | 802.11/b/g/n |
Battery
| Type | Li-Ion |
| Capacity | 250 mAh |
| Wireless Charging Support | Yes |
