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Apple Watch 42mm A1554 Full Device Specifications

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Released Date: 2015 Apr 24

Display Dimension: 312x390 pixels

RAM Size: 512 MiB RAM

Processor (CPU): Apple S1

Battery Capacity: 250 mAh battery

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Introduction

Brand

Apple

Model

Watch 42mm A1554

Brief

Space black stainless steel, or stainless steel 42 mm case, Sapphire crystal, Retina display, and ceramic back

Released

2015 Apr 24

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

List of Additional Features

changeable straps, iOS 8.2 support

Physical Attributes

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

50 g, 1.76 ounces

Software Environment

Platform

Apple iOS / iPadOS

Operating System

Apple Watch OS 1.0

Application processor, Chipset

CPU Clock

520 MHz

CPU

Apple S1 (S7002), 2015, 32 bit, single-core, IMG PowerVR SGX543 GPU

Operative Memory

RAM Type

Yes

RAM Capacity

512 MiB RAM

Non-volatile Memory

Non-volatile Memory Type

Flash EEPROM

Non-volatile Memory Interface

Yes

Non-volatile Memory Capacity

7629 MiB non-volatile

Display

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 Subtype

Retina 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 Subsystem

Graphical Controller

PowerVR SGX543

Audio/Video Interfaces

A/V Out

Audio Subsystem

Audio Channel(s)

stereo

Sound Recording

Microphone(s)

mono

Sound Playing

Loudspeaker(s)

mono

Audio Output

Cellular Phone

Supported Cellular Bands

Complementary Phone Services

Vibrating Alert

Secondary Cellular Phone

Sec. Supported Cellular Networks

Control Peripherals

Touchscreen Type

Capacitive multi-touch sensing screen

Touchscreen Simultaneous Touch Points

Yes

Scroll Wheel

Pressable rotary scroll wheel

Communication Interfaces

Expansion Interfaces

USB

No, No

USB Connector

Bluetooth

Bluetooth 4.0, Internal antenna

Wireless LAN

IEEE 802.11b , IEEE 802.11g , IEEE 802.11n, Internal antenna

NFC

Yes

Multimedia Broadcast

FM Radio Receiver

Satellite Navigation

Supported GPS protocol(s)

Primary Camera System

Camera Image Sensor

Focus

Flash

Auxiliary Camera

Aux. Camera Image Sensor

Auxiliary Camera No. 2

Aux. 2 Camera Image Sensor

Auxiliary Camera No. 3

Aux. 3 Camera Image Sensor

Auxiliary Camera No. 4

Aux. 4 Camera Image Sensor

Aux. 4 Camera Focus

Secondary Camera System

Secondary Camera Sensor

Secondary Auxiliary Camera

Sec. Aux. Cam. Image Sensor

Secondary Auxiliary Camera No. 2

Sec. Aux. 2 Cam. Image Sensor

Built-in Sensors

Built-in accelerometer

Yes

Built-in gyroscope

Yes

Additional sensors

Barometer , Heart rate sensor , Light intensity sensor

Ingress Protection

Protection from solid materials

Yes

Protection from liquids

7 Protected against the effect of immersion up to 1m of depth

Immersion into liquids (depth limit)

100 cm

Power Supply

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 Voltage