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Bro Rated
Watch Series 2 38mm A1757

Watch Series 2 38mm A1757

from Apple
Bro
21.2
Rated
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Overview & Features

Brand
Apple
Brief
38 mm aluminium case, Ion-X glass screen and ceramic back
Model
Watch Series 2 38mm A1757
OEM ID
n74ap
Codename
Apple Watch 2,3
Released
2016 Sep 16
Announced
2016 Sep 7
Manufacturer
Quanta Computer
General Extras
Haptic touch feedback
Tactile touch feedback
Hardware Designer
Apple
List of Additional Features
Ion-X Sapphire glass screen, changeable straps, iOS 8.2 support

Technical Specifications

Display

Pixel Size
0.078 mm/pixel
Resolution
272x340
92480 pixels
Display Area
562.6 square millimeter
Display Type
Color AM-OLED
display
Display Width
21.21 mm
Pixel Density
326 PPI
Display Height
26.52 mm
Display Diagonal
33.96 mm
Display Color Depth
24 bit/pixel
Display Illumination
Self-illuminating
Display Subpixel Scheme
Yes
Display Area Utilization
43.8%
Number of Display Scales
16.8M
Scratch Resistant Screen
Sapphire Glass
Display Dynamic Range Depth
8 bit/pixel
Horizontal Full Bezel Width
12.09 mm

Power Supply

Battery
Lithium-ion polymer (LiPo)
built-in
1-cell
Wireless Charging
Yes
Estimated Battery Life
18.0 hours
Nominal Battery Energy
1.03 Wh
Nominal Battery Voltage
3.77 Volts
Nominal Battery Capacity
273 mAh battery
Estimated Average Current
15 mA
Nominal Cell Voltage (1st cell)
3.77 Volts
Nominal Cell Capacity (1st cell)
273 mAh cell

Sound Playing

Audio Output
No
Loudspeaker(s)
mono

Cellular Phone

Supported Cellular Bands
No
Complementary Phone Services
Vibrating Alert

Audio Subsystem

Audio Channel(s)
stereo

Sound Recording

Microphone(s)
mono

Auxiliary Camera

Aux. Camera Image Sensor
No

Built-in Sensors

Additional sensors
Barometer
Heart rate sensor
Light intensity sensor
Built-in gyroscope
Yes
Built-in accelerometer
Yes

Operative Memory

RAM Type
mobile (LP) DDR SDRAM
RAM Capacity
512 MiB RAM

Ingress Protection

Protection from liquids
7 Protected against the effect of immersion up to 1m of depth
Protection from solid materials
Yes
Immersion into liquids (depth limit)
5000 cm

Control Peripherals

Scroll Wheel
Pressable rotary scroll wheel
Touchscreen Type
Capacitive multi-touch sensing
screen
Touchscreen Simultaneous Touch Points
Yes

Graphical Subsystem

Graphical Controller
N/A

Non-volatile Memory

Non-volatile Memory Type
Flash EEPROM
Non-volatile Memory Capacity
7630 MiB
Non-volatile Memory Interface
Yes

Physical Attributes

Mass
28.2 g
Depth
11.4 mm
Width
33.3 mm
Height
38.6 mm
Bounding Volume
14.7 ccm

Multimedia Broadcast

FM Radio Receiver
No

Satellite Navigation

GPS Antenna
Internal antenna
Supported GPS protocol(s)
GPS (NMEA 0183)

Software Environment

Platform
Apple iOS / iPadOS
Operating System
Apple Watch OS 3

Audio/Video Interfaces

A/V Out
No

Auxiliary Camera No. 2

Aux. 2 Camera Image Sensor
No

Auxiliary Camera No. 3

Aux. 3 Camera Image Sensor
No

Auxiliary Camera No. 4

Aux. 4 Camera Focus
No
Aux. 4 Camera Image Sensor
No

Primary Camera System

Flash
No
Focus
No
Camera Image Sensor
No

Secondary Camera System

Secondary Camera Sensor
No

Communication Interfaces

NFC
Yes
USB
No
No
Bluetooth
Bluetooth 4.0
Internal antenna
Wireless LAN
IEEE 802.11b
IEEE 802.11g
IEEE 802.11n
Internal antenna
USB Connector
No
Expansion Interfaces
No

Secondary Cellular Phone

Sec. Supported Cellular Networks
No

Secondary Auxiliary Camera

Sec. Aux. Cam. Image Sensor
No

Application processor, Chipset

CPU
Apple S2 (T8002), 2016, 32 bit, dual-core
CPU Clock
780 MHz

Secondary Auxiliary Camera No. 2

Sec. Aux. 2 Cam. Image Sensor
No

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