Display
Size:
1.8 inches
1.7 inches
Resolution:
448 x 368 pixels, 326 PPI
430 x 352 pixels, 329 PPI
Technology:
OLED
OLED
Screen-to-body:
59.89 %
63.01 %
Peak brightness:
1000 cd/m2 (nit)
1000 cd/m2 (nit)
Features:
Pressure-sensitive, Scratch-resistant glass (Sapphire), Ambient light sensor
Hardware
System chip:
Apple S4 (7 nm)
Apple S9
Processor:
Dual-core
Dual-core
GPU:
Apple G11M
PowerVR
RAM:
1GB
1GB
Internal storage:
16GB, not expandable
64GB, not expandable
OS:
watchOS (9.x, 8.x, 7.x, 6.x, 5)
watchOS (10.x)
Device type:
Smartwatch
Smartwatch
Battery
Capacity:
292 mAh
282 mAh
Type:
Not user replaceable
Li - Ion, Not user replaceable
Charging:
Magnetic charging
Qi wireless charging
Camera
Rear:
Design
Dimensions:
1.73 x 1.50 x 0.42 inches (44.0 x 38.0 x 10.7 mm)
1.61 x 1.38 x 0.42 inches (41 x 35 x 10.7 mm)
Weight:
1.29 oz (36.7 g)
1.49 oz (42.3 g)
Materials:
Frame: Aluminum
Back: Ceramic; Frame: Aluminum
Resistance:
Water
Water, Dust; IP6X
Colors:
Silver, Black
Midnight, Starlight, Green, Blue, Red
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, HSPA
LTE, HSDPA+ (4G) 42.2 Mbit/s
SIM type:
eSIM
eSIM
Multimedia
Speakers:
Loudspeaker
Loudspeaker
Additional microphone(s):
for Noise cancellation
Yes
Connectivity & Features
Bluetooth:
5.0
Yes
Wi-Fi:
802.11 b, g, n
802.11 b, g, n
Location:
Glonass, Galileo, QZSS
A-GPS, Glonass, Galileo, BeiDou, QZSS
Sensors:
Accelerometer, Gyroscope, Heart rate, Barometer
Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Thermometer, Barometer, ECG, Blood Oxygen
Other:
NFC
NFC, Ultra Wideband (UWB)
Availability
Officially announced:
Yes