Available. Released 2017, September
watchOS 4.0, upgradable to watchOS 8.7
Dual-core
8GB 768MB RAM, 16GB 768MB RAM
Li-Ion 341 mAh (1.34 Wh), non-removable
Launch
Announced:
2017, September
Status:
Available. Released 2017, September
Body
Dimensions:
42.5 x 36.4 x 11.4 mm (1.67 x 1.43 x 0.45 in)
Build:
Glass front, ceramic back, aluminum frame
Network
Technology:
GSM / HSPA / LTE
2G bands:
GSM 850 / 900 / 1800 / 1900
3G bands:
HSDPA 850 / 900 / 2100 / 800 - Europe, Australia (A1891)
:
1, 3, 39, 40, 41 - China (A1892)
4G bands:
1, 3, 5, 7, 8, 18, 19, 20, 26 - Europe, Australia (A1891)
Platform
OS:
watchOS 4.0, upgradable to watchOS 8.7
Memory
Internal:
8GB 768MB RAM, 16GB 768MB RAM
Camera
Sound
Features
Sensors:
Accelerometer, gyro, heart rate, barometer
:
Natural language commands and dictation (talking mode)
Comms
Positioning:
GPS, GLONASS
Battery
Type:
Li-Ion 341 mAh (1.34 Wh), non-removable
Misc
Colors:
Silver, Gold, Space Gray
Models:
A1860, A1861, A1889, A1891, A1890, A1892, A1858, A1859
SAR:
0.52 W/kg (head) 0.34 W/kg (body)
Aditional info
https://www.gsmarena.com/apple_watch_series_3_aluminum-8859.php