Display
Size:
1.2 inches
1.5 inches
Resolution:
360 x 360 pixels, 424 PPI
340 x 272 pixels, 290 PPI
Technology:
Super AMOLED
OLED
Screen-to-body:
29.21 %
55.12 %
Peak brightness:
1000 cd/m2 (nit)
Features:
Scratch-resistant glass (Corning Gorilla Glass DX+), Ambient light sensor
Pressure-sensitive, Ambient light sensor
Hardware
System chip:
Samsung Exynos 9110 (10 nm)
Apple S2 (16 nm)
Processor:
Dual-core, 1150 MHz, Arm Cortex-A53, 64-bit
Dual-core, 780 MHz, Cortex-A7
GPU:
Mali-T720 MP1
PowerVR G6200
RAM:
1.5GB
0.5GB
Internal storage:
4GB (eMMC), not expandable
8GB, not expandable
OS:
Tizen (4.0)
watchOS (6.x, 5.1, 5, 4.x, 3.x)
Device type:
Smartwatch
Smartwatch
Compatible devices:
Samsung smartphone, Android smartphone (Android 5.0 and above with 1.5GB RAM and above), iPhone 5 and above or iOS 9.0 and above
Battery
Capacity:
247 mAh
273 mAh
Type:
Li - Ion, Not user replaceable
Not user replaceable
Charging:
Magnetic charging
Magnetic charging
Design
Dimensions:
1.57 x 1.57 x 0.43 inches (40 x 40 x 10.9 mm)
1.52 x 1.31 x 0.45 inches (38.6 x 33.3 x 11.4 mm)
Weight:
1.31 oz (37.0 g)
1.48 oz (41.9 g)
Materials:
Frame: Stainless steel
Materials & Colors:
Stainless steel: Black, Gold, Silver
Resistance:
Water (up to 50 meters), Dust; IP68; MIL-STD-810 certified
Water
Colors:
Silver, Black
Cellular
4G (FDD):
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3)
3G:
Bands 5(850), 4(1700/2100), 2(1900)
Data Speed:
LTE, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type:
eSIM
Multimedia
Speakers:
Loudspeaker
Loudspeaker
Connectivity & Features
Bluetooth:
5.0
4.0
Wi-Fi:
802.11 b, g, n
802.11 b, g, n
Location:
GPS, Glonass
Glonass, Galileo
Sensors:
Accelerometer, Gyroscope, Heart rate, Barometer, ECG
Accelerometer, Gyroscope, Heart rate
Other:
NFC
NFC
Buyers information
Price:
$ 430
In The Box:
Quick Start Guide,User Manual, Wireless Charging Pad
Availability
Officially announced:
Yes
FCC OKs Cingular\'s purchase of AT&T Wireless