Watch 42mm A1554 by Apple – Specifications

Introducing the Apple Watch 42mm A1554, released in 2015 Apr 24. Designed by Apple and manufactured by Quanta Computer, this Smartwatch is ideal for those who value .

The device features a Color AM-OLED display with a size of and a resolution of providing a pixel density of 319 PPI PPI. It operates on ensuring smooth performance with its clocked at 520 MHz.

Noteworthy attributes include:

  • Storage and Memory: 512 MiB RAM, supported by a 7629 MiB non-volatile internal storage.
  • Camera Capabilities: main sensor, capable of recording videos at .
  • Connectivity and Extras: with support for bands and advanced connectivity through and .
  • Power: Equipped with a battery, offering a capacity of 250 mAh battery.

Available in regions including at a price of .

More on Watch 42mm A1554

Full Specifications of Watch 42mm A1554

BrandApple
ModelWatch 42mm A1554
BriefSpace black stainless steel, or stainless steel 42 mm case, Sapphire crystal, Retina display, and ceramic back
Released2015 Apr 24
Hardware DesignerApple
ManufacturerQuanta Computer
Codename Apple Watch 1
2
OEM IDn28aap
General Extras Haptic touch feedback
Tactile touch feedback
Device CategorySmartwatch
List of Additional Features changeable straps
iOS 8.2 support
Width 42 mm
1.65 inch
Height 35.9 mm
1.41 inch
Depth 10.5 mm
0.41 inches
Bounding Volume15.8 ccm
Mass 50 g
1.76 ounces
PlatformApple iOS / iPadOS
Operating SystemApple Watch OS 1.0
CPU Clock520 MHz
CPU Apple S1 APL0778 (S7002)
2,015
32 bit
single-core
32 Kbyte D-Cache
256 Kbyte L2
28 nm
IMG PowerVR SGX543 GPU
RAM TypeYes
RAM Capacity512 MiB RAM
Non-volatile Memory TypeFlash EEPROM
Non-volatile Memory InterfaceYes
Non-volatile Memory Capacity7629 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 Width17.15 mm
Display Area771.9 square millimeter
Display Area Utilization51.2%
Pixel Size0.07965 mm/pixel
Pixel Density319 PPI
Display TypeColor AM-OLED display
Display SubtypeRetina Display
Display Color Depth24 bit/pixel
Number of Display Scales16.8M
Display Dynamic Range Depth8 bit/pixel
Display IlluminationSelf-illuminating
Display Light Reflection ModeYes
Display Subpixel SchemeYes
Scratch Resistant ScreenSapphire Glass
Graphical ControllerPowerVR SGX543
A/V OutNo
Audio Channel(s)stereo
Microphone(s)mono
Loudspeaker(s):mono
Audio Output:No
Supported Cellular BandsNo
Complementary Phone ServicesVibrating Alert
Sec. Supported Cellular Networks:No
Touchscreen TypeCapacitive multi-touch sensing screen
Touchscreen Simultaneous Touch PointsYes
Scroll WheelPressable rotary scroll wheel
Expansion InterfacesNo
USB No
No
USB ConnectorNo
Bluetooth Bluetooth 4.0
Internal antenna
Wireless LAN IEEE 802.11b
IEEE 802.11g
IEEE 802.11n
Internal antenna
NFCYes
FM Radio ReceiverNo
Supported GPS protocol(s)No
Camera Image SensorNo
FocusNo
FlashNo
Aux. Camera Image SensorNo
Aux. 2 Camera Image SensorNo
Aux. 3 Camera Image SensorNo
Aux. 4 Camera Image SensorNo
Aux. 4 Camera FocusNo
Secondary Camera SensorNo
Sec. Aux. Cam. Image SensorNo
Sec. Aux. 2 Cam. Image SensorNo
Built-in accelerometerYes
Built-in gyroscopeYes
Additional sensors Barometer
Heart rate sensor
Light intensity sensor
Protection from solid materialsYes
Protection from liquids7 Protected against the effect of immersion up to 1m of depth
Immersion into liquids (depth limit)100 cm
Battery Lithium-ion polymer (LiPo)
built-in
1-cell
Nominal Cell Voltage (1st cell)3.78 Volts
Nominal Cell Capacity (1st cell)250 mAh cell
Nominal Battery Voltage3.78 Volts
Nominal Battery Capacity250 mAh battery
Nominal Battery Energy0.95 Wh
Wireless ChargingYes

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