Compare specs
network
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Technology
GSM / HSPA / LTE
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2G bands
GSM 850 / 900 / 1800 / 1900
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3G bands
HSDPA 850 / 900 / 2100 / 800 - Europe, Australia (A1891)
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4G bands
1, 3, 5, 7, 8, 18, 19, 20, 26 - Europe, Australia (A1891)
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Speed
HSPA, LTE
launch
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Announced
2017, September
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Status
Available. Released 2017, September
body
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Dimensions
42.6 x 36.5 x 11.4 mm (1.68 x 1.44 x 0.45 in)
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Weight
46.4 g (1.62 oz)
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Build
Glass front (Sapphire crystal), ceramic back, ceramic frame
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SIM
eSIM
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50m water resistant
display
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Type
OLED capacitive touchscreen, 16M colors
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Size
1.65 inches, 8.6 cm2 (~55.1% screen-to-body ratio)
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Resolution
390 x 312 pixels (~303 ppi density)
platform
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OS
watchOS 4.0, upgradable to 6.2
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Chipset
Apple S3
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CPU
Dual-core
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GPU
PowerVR
memory
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Card slot
No
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Internal
16GB 768MB RAM
sound
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Loudspeaker
Yes
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3.5mm jack
No
comms
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WLAN
Wi-Fi 802.11 b/g/n
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Bluetooth
4.2, A2DP, LE
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GPS
Yes, with A-GPS, GLONASS
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NFC
Yes
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USB
No
features
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Sensors
Accelerometer, gyro, heart rate, barometer
battery
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Non-removable Li-Ion 279 mAh battery (1.07 Wh) - 38mm version
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Charging
Wireless charging