Display
Size:
1.4 inches
1.8 inches
Resolution:
360 x 360 pixels, 364 PPI
448 x 368 pixels, 326 PPI
Technology:
Super AMOLED
OLED
Screen-to-body:
32.74 %
Peak brightness:
1000 cd/m2 (nit)
Features:
Scratch-resistant glass (Corning Gorilla Glass DX+), Ambient light sensor
Pressure-sensitive, Scratch-resistant glass (Sapphire), Ambient light sensor
Hardware
System chip:
Samsung Exynos 9110
Apple S5
Processor:
Dual-core, 1150 MHz, Arm Cortex-A53, 64-bit, 10 nm
Dual-core, 64-bit
GPU:
Mali-T720 MP1
PowerVR
RAM:
1.5GB
1GB
Internal storage:
4GB (eMMC), not expandable
32GB, not expandable
Device type:
Smartwatch
Smartwatch
OS:
Tizen (4.0)
watchOS (7.x)
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
Apple iPhone 6s or later with iOS 13 or later
Battery
Capacity:
340 mAh
Type:
Li - Ion, Not user replaceable
Li - Ion, Not user replaceable
Charging:
Magnetic charging
Magnetic charging
Design
Dimensions:
1.73 x 1.73 x 0.43 inches (44 x 44 x 10.9 mm)
Weight:
1.31 oz (42.0 g)
Wrist size:
Case fits 140-220 mm wrists
Materials & Colors:
Stainless steel: Black, Gold, Silver
Aluminum: Silver, Space gray, Gold
Resistance:
Water (up to 50 meters), Dust; IP68; MIL-STD-810 certified
Water (up to 50 meters)
Cellular
LTE (FDD):
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 25(1900+), 26(850+), 66(AWS-3)
LTE (TDD):
Bands 39(1900+), 40(2300), 41(2600+)
UMTS:
Bands 5(850), 4(1700/2100), 2(1900)
Bands 5(850), 4(1700/2100), 2(1900), 1(2100)
Data Speed:
LTE, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type:
eSIM
eSIM
Multimedia
Speakers:
Loudspeaker
Connectivity & Features
Bluetooth:
5.0
5.0
Wi-Fi:
802.11 b, g, n
802.11 b, g, n
Location:
GPS, Glonass
GPS, Glonass
Sensors:
Accelerometer, Gyroscope, Heart rate, Barometer, ECG
Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Barometer
Other:
NFC
NFC
Buyers information
Price:
$ 450
$ 359
In The Box:
Quick Start Guide,User Manual, Wireless Charging Pad
Availability
Officially announced:
Aug 05, 2019
Sep 15, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless