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Apple Watch Edition 38mm A1553 Full Device Specifications

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Released Date: 2015 Apr 24

Display Dimension: 272x340 pixels

RAM Size: 512 MiB RAM

Processor (CPU): Apple S1

Battery Capacity: 205 mAh battery

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Introduction

Brand

Apple

Model

Watch Edition 38mm A1553

Brief

Sapphire crystal, Retina display, ceramic back, 18-Karat yellow gold or 18-Karat rose gold 38 mm case

Released

2015 Apr 24

Hardware Designer

Apple

Manufacturer

Quanta Computer

Codename

Apple Watch 1,1

OEM ID

n27aap

General Extras

Haptic touch feedback , Tactile touch feedback

Device Category

Smartwatch

List of Additional Features

changeable straps, iOS 8.2 support

Physical Attributes

Width

33.3 mm, 1.31 inch

Height

38.6 mm, 1.52 inch

Depth

10.5 mm, 0.41 inches

Bounding Volume

13.5 ccm

Mass

54 g, 1.9 ounces

Software Environment

Platform

Apple iOS / iPadOS

Operating System

Apple Watch OS 1.0

Application processor, Chipset

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

33.96 mm, 1.3 inch

Resolution

272x340, 92480 pixels

Display Width

21.21 mm, 0.84 inch

Display Height

26.52 mm, 1.04 inch

Horizontal Full Bezel Width

12.09 mm

Display Area

562.6 square millimeter

Display Area Utilization

43.8%

Pixel Size

0.078 mm/pixel

Pixel Density

326 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 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

Power Supply

Battery

Lithium-ion polymer (LiPo), built-in, 1-cell

Nominal Cell Voltage (1st cell)

3.80 Volts

Nominal Cell Capacity (1st cell)

205 mAh cell

Nominal Battery Voltage

3.80 Volts

Nominal Battery Capacity

205 mAh battery

Nominal Battery Energy

0.78 Wh

Estimated Battery Life

18.0 hours

Estimated Average Current

11 mA

Wireless Charging

Yes

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