Apple Watch 42mm A1554 ( Watch 1,2) specifications and features, reviews and problems

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Apple Watch 42mm A1554 ( Watch 1,2) Specifications and Features


Brand:	Apple Browse Apple devices
Manufacturer:	Quanta Computer Browse all devices manufactured by Quanta Computer
Hardware Designer:	Apple
Project Codename:	Apple Watch 1,2 Browse all devices under Apple Watch 1,2 codename
OEM ID:	n28aap
Release Date:	April, 2015
Physical Attributes
Dimensions (width x height x depth):	42 x 35.9 x 10.5 millimetres 1.7 x 1.4 x 0.4 inches
Bounding Volume:	15.8 cubecentimetres
Mass:	101 grams (battery included)
Software Environment
Embedded Operating System:	Apple Watch OS 1.0 Browse devices running this OS
Kernel:	Mach
Microprocessor, Chipset
CPU:	Apple S1 Browse devices based on S1
Width of Machine Word:	32 bit
Instruction Set:	ARMv7
Memory, Storage capacity
RAM type:	Supported
RAM capacity:	512 MiB
ROM type:	Flash EEPROM
ROM capacity:	7630 MiB
ROM capacity in bytes:	8 GB (billion bytes)
Graphical subsystem
Display Type:	color Active Matrix OLED display
Display Color Depth:	24 bit/pixel (16777216 scales)
Display Diagonal:	1.5 " (39 millimetres)
Display Resolution:	312 x 390 (121680 pixels)
Viewable Display Size:	0.96 " x 1.2 " (24.36 x 30.45 millimetres)
Pixel density (dot pitch):	325.3 pixel/inch (0.07809 millimetre/pixel)
Graphical Controller:	PowerVR SGX543

Audio Subsystem
Audio Channel(s):	stereo sound
Microphone(s):	mono sound
Loudspeaker(s):	mono sound
Audio Output:	Not supported
Control Peripherals
Positioning Device:	Multi-touch screen
Primary Keyboard:	Not supported
Directional Pad:	Not supported
Scroll Wheel:	Pressable rotary scroll wheel
Interfaces
USB:	Not supported
Bluetooth (802.15):	Bluetooth 4.0, Internal antenna
Wireless LAN/Wi-Fi (802.11):	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n Internal antenna
Infrared Gate:	Not supported
Multimedia Broadcast
Analog Radio:	Not supported
Digital Media Broadcast:	Not supported
Ingress Protection Rating (IPxy)
Protection from solid materials:	Supported
Protection from liquids:	7 Protected against the effect of immersion up to 1m of depth (IP second number (y))
Protection against mechanical impacts:	Supported (0 joule impact)
Power Supply
Battery Technology:	Lithium-ion polymer battery
Battery Layout:	built-in
Additional Details
Built-in accelerometer:	Supported
Additional Features:	capacitive touchscreen Sapphire glass screen NFC heart rate sensor gyro sensor barometer haptic feedback light sensor changeable straps iOS 8.2 support wireless charging
Datasheet State:	Preliminary specifications
Datasheet Views:	3291 times
Datasheet Added:	Mar 10, 15 22:54:37