| Brand |
Apple |
| Model |
Watch Sport 42mm A1554 |
| Brief |
Space gray, gold, rose gold, or silver aluminum 42 mm case, Ion-X glass, Retina display, and composite...
Space gray, gold, rose gold, or silver aluminum 42 mm case, Ion-X glass, Retina display, and composite back
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| Released |
24 Apr, 2015 |
| Hardware Designer |
Apple |
| Manufacturer |
Quanta Computer |
| Codename |
Apple Watch 1,2 |
| OEM ID |
n28aap |
| General Extras |
Haptic touch feedback , Tactile touch feedback |
| Device Category |
Smartwatch |
| Width |
42 mm, 1.65 inch |
| Height |
35.9 mm, 1.41 inch |
| Depth |
10.5 mm, 0.41 inches |
| Bounding Volume |
15.8 ccm |
| Mass |
30 g, 1.06 ounces |
| Platform |
Apple iOS / iPadOS |
| Operating System |
Apple Watch OS 1.0 |
| CPU Clock |
520 MHz |
| CPU |
Apple S1 APL0778 (S7002), 2015, 32 bit, single-core, 32 Kbyte D-Cache, 256 Kbyte L2, 28 nm, IMG PowerVR...
Apple S1 APL0778 (S7002), 2015, 32 bit, single-core, 32 Kbyte D-Cache, 256 Kbyte L2, 28 nm, IMG PowerVR SGX543 GPU
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| RAM Type |
Yes |
| RAM Capacity |
512 MiB RAM |
| Non-volatile Memory Type |
Flash EEPROM |
| Non-volatile Memory Interface |
Yes |
| Non-volatile Memory Capacity |
7629 MiB non-volatile |
| Display Diagonal |
39.78 mm, 1.6 inch |
| Resolution |
312x390, 121680 pixels |
| Display Width |
24.85 mm, 0.98 inch |
| Display Height |
31.06 mm, 1.22 inch |
| Horizontal Full Bezel Width |
17.15 mm |
| Display Area |
771.9 square millimeter |
| Display Area Utilization |
51.2% |
| Pixel Size |
0.07965 mm/pixel |
| Pixel Density |
319 PPI |
| Display Type |
Color AM-OLED display |
| Display Color Depth |
24 bit/pixel |
| Number of Display Scales |
16.8M |
| Display Dynamic Range Depth |
8 bit/pixel |
| Display Illumination |
Self-illuminating |
| Display Light Reflection Mode |
Yes |
| Display Subpixel Scheme |
Yes |
| Scratch Resistant Screen |
Yes |
| Graphical Controller |
PowerVR SGX543 |
| A/V Out |
No |
| Audio Channel(s) |
stereo |
| Microphone(s) |
mono |
| Loudspeaker(s): |
mono |
| Audio Output: |
No |
| Supported Cellular Bands |
No |
| Complementary Phone Services |
Vibrating Alert |
| Sec. Supported Cellular Networks: |
No |
| Touchscreen Type |
Capacitive multi-touch sensing screen |
| Touchscreen Simultaneous Touch Points |
Yes |
| Scroll Wheel |
Pressable rotary scroll wheel |
| Expansion Interfaces |
No |
| USB |
No, No |
| USB Connector |
No |
| Bluetooth |
Bluetooth 4.0, Internal antenna |
| Wireless LAN |
IEEE 802.11b , IEEE 802.11g , IEEE 802.11n, Internal antenna |
| NFC |
Yes |
| FM Radio Receiver |
No |
| Supported GPS protocol(s) |
No |
| Camera Image Sensor |
No |
| Focus |
No |
| Flash |
No |
| Aux. Camera Image Sensor |
No |
| Aux. 2 Camera Image Sensor |
No |
| Aux. 3 Camera Image Sensor |
No |
| Aux. 4 Camera Image Sensor |
No |
| Aux. 4 Camera Focus |
No |
| Secondary Camera Sensor |
No |
| Sec. Aux. Cam. Image Sensor |
No |
| Sec. Aux. 2 Cam. Image Sensor |
No |
| Built-in accelerometer |
Yes |
| Built-in gyroscope |
Yes |
| Additional sensors |
Barometer , Heart rate sensor , Light intensity sensor |
| Protection from solid materials |
Yes |
| Protection from liquids |
7 Protected against the effect of immersion up to 1m of depth |
| Battery |
Lithium-ion polymer (LiPo), built-in |
| Nominal Cell Voltage (1st cell) |
3.78 Volts |
| Nominal Cell Capacity (1st cell) |
250 mAh cell |
| Nominal Battery Voltage |
3.78 Volts |
| Nominal Battery Capacity |
250 mAh battery |
| Nominal Battery Energy |
0.95 Wh |
| Wireless Charging |
Yes |
