Display
Size:
1.6 inches
1.5 inches
Resolution:
390 x 312 pixels, 303 PPI
340 x 272 pixels, 290 PPI
Technology:
OLED
OLED
Screen-to-body:
55.61 %
55.12 %
Peak brightness:
1000 cd/m2 (nit)
1000 cd/m2 (nit)
Features:
Pressure-sensitive, Scratch-resistant glass (Sapphire)
Pressure-sensitive, Scratch-resistant glass (Sapphire)
Hardware
System chip:
Apple S3
Apple S3
Processor:
Dual-core
Dual-core
GPU:
PowerVR
PowerVR
RAM:
768GB
768GB
Internal storage:
16GB
16GB
Device type:
Smartwatch
Smartwatch
OS:
watchOS (8.x, 7.x, 6.1, 6.x, 5.1, 5, 4.x)
watchOS (8.x, 7.x, 6.1, 6.x, 5.1, 5, 4.x)
Battery
Capacity:
341 mAh
279 mAh
Type:
Not user replaceable
Not user replaceable
Charging:
Qi wireless charging
Qi wireless charging
Camera
Rear:
Design
Dimensions:
1.67 x 1.43 x 0.45 inches (42.5 x 36.4 x 11.4 mm)
1.52 x 1.31 x 0.45 inches (38.6 x 33.3 x 11.4 mm)
Weight:
1.86 oz (52.8 g)
1.50 oz (42.4 g)
Materials:
Back: Ceramic; Frame: Stainless steel
Back: Ceramic; Frame: Stainless steel
Resistance:
Water, Dust
Water, Dust
Colors:
Space Black, Silver
Space Black, Silver
Cellular
4G (FDD):
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+)
3G:
Bands 1(2100), 5(850), 8(900)
Bands 1(2100), 5(850), 8(900)
Data Speed:
LTE, HSDPA+ (4G) 42.2 Mbit/s
LTE, HSDPA+ (4G) 42.2 Mbit/s
SIM type:
eSIM
eSIM
Multimedia
Headphones:
No 3.5mm jack
No 3.5mm jack
Speakers:
Loudspeaker
Loudspeaker
Connectivity & Features
Bluetooth:
4.2
4.2
Wi-Fi:
802.11 b, g, n
802.11 b, g, n
USB:
Location:
A-GPS, Glonass
A-GPS, Glonass
Sensors:
Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Barometer
Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Barometer
Other:
NFC
NFC