Display
Size:
1.7 inches
1.6 inches
Resolution:
430 x 352 pixels, 329 PPI
390 x 312 pixels, 303 PPI
Technology:
OLED
OLED
Screen-to-body:
63.01 %
55.61 %
Peak brightness:
1000 cd/m2 (nit)
450 cd/m2 (nit)
Features:
Pressure-sensitive, Ambient light sensor
Hardware
Processor:
Dual-core
Dual-core, 520 MHz, Cortex-A7
GPU:
PowerVR
PowerVR G6200
RAM:
1GB
0.5GB
System chip:
Apple S8
Apple S1P (28 nm)
OS:
watchOS (9.x)
watchOS (6.x, 5.1, 5, 4.x, 3.x)
Internal storage:
32GB (eMMC 5.1), not expandable
8GB, not expandable
Device type:
Smartwatch
Smartwatch
Battery
Capacity:
282 mAh
250 mAh
Type:
Li - Ion, Not user replaceable
Not user replaceable
Charging:
Qi wireless charging
Magnetic charging
Camera
Rear:
Design
Dimensions:
1.61 x 1.38 x 0.42 inches (41 x 35 x 10.7 mm)
1.67 x 1.43 x 0.41 inches (42.5 x 36.4 x 10.5 mm)
Weight:
1.13 oz (32.0 g)
0.88 oz (25.0 g)
Materials:
Back: Ceramic; Frame: Aluminum
Back: Plastic; Frame: Aluminum
Resistance:
Water, Dust; IP6X
Yes; IPX7
Colors:
Midnight, Starlight, Green, Blue, Red
Silver, Gold, Rose Gold, Gray
Cellular
4G (FDD):
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD):
Bands 39(1900+), 40(2300), 41(2600+)
3G:
Bands 1(2100), 2(1900), 4(1700/2100), 5(850)
Data Speed:
LTE, HSDPA+ (4G) 42.2 Mbit/s
SIM type:
eSIM
Multimedia
Speakers:
Loudspeaker
Loudspeaker
Additional microphone(s):
Yes
Connectivity & Features
Bluetooth:
5.0
4.0
Wi-Fi:
802.11 b, g, n
802.11 b, g, n
Location:
A-GPS, Glonass, Galileo, BeiDou, QZSS
Sensors:
Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Thermometer, Barometer, ECG, Blood Oxygen
Accelerometer, Gyroscope, Heart rate
Other:
NFC
NFC
Availability
Officially announced:
Yes
FCC OKs Cingular\'s purchase of AT&T Wireless