Size
45.9 mm x 45.9 mm x 11.0 mm
42.3 mm x 42.3 mm x 10.2 mm
46.20 mm x 46.20 mm x 12.15 mm
45.9 mmx 45.9 mmx 10.7 mm
Display
1.43 inches AMOLED
466 x 466 pixels
1.32 inches AMOLED
466 x 466 pixels
1.43 inch AMOLED
466 x 466 pixels
1.39 inch AMOLED
454 x 454 pixels
Materials
Front case: stainless steel
Rear Case: plastic
Front case: stainless steel
Rear Case: plastic
Front case: stainless steel
Rear Case: Ceramic
Front case: stainless steel
Rear Case: plastic
Battery
14 days for typical use
7 days for typical use
3 days for smart mode
14 days for ultra long battery life mode
14 days for typical use
Sports Mode
100+ Workouts
100+ Workouts
100+ Workouts
100+ Workouts
GPS
Dual-Band
GPS + GLONASS + Galileo + QZSS + Beidou
Dual-Band
GPS + GLONASS + Galileo + QZSS + Beidou
GPS + GLONASS + Galileo + Beidou
GPS + GLONASS
Heart Rate Monitoring
Technology
HUAWEI TruSeen™ 5.0+
8 photodiodes
HUAWEI TruSeen™ 5.0+
8 photodiodes
HUAWEI TruSeen™ 4.5
4 photodiodes
HUAWEI TruSeen™ 3.5
2 photodiodes
Health Living on Watch
√
√
√
×
AI Running Coach on
Watch
√
√
×
×
All-Day SpO2
Monitoring
√
√
√
×
Skin Temperature
Measurement
√
√
√
×
Wireless Charging
√
√
√
×
Rotating Crown
√
√
√
×
Calling
Bluetooth Calling
Bluetooth Calling
eSIM Independent Calling
Bluetooth Calling
MeeTime
Bluetooth Calling
System Requirements
Android 6.0 or later
iOS 9.0 or later
Android 6.0 or later
iOS 9.0 or later
Android 6.0 or later
iOS 9.0 or later
Android 4.4 or later
iOS 9.0 or later