Brand |
Apple |
Model |
Watch Edition 42mm A1554 |
Brief |
Sapphire crystal, Retina display, ceramic back, 18-Karat yellow gold or 18-Karat rose gold 42 mm case
Sapphire crystal, Retina display, ceramic back, 18-Karat yellow gold or 18-Karat rose gold 42 mm case
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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 |
67 g, 2.36 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 |
Sapphire Glass |
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 |