Performance
Operating System
iOS - WatchOS
Built-in-Apps
Messages, Phone, Mail, Calendar, Activity, Workout, Maps, Passbook, Siri, Music, Camera Rmote, Remote, Weather, Stocks, Photos, Alarm, Stopwatch, Timer, World Clock, Settings
CPU Speed & Type
Apple S1
RAM Size
512MB
ROM Size
8GB
Design
Dimensions
38.61mm x 33.27mm x 10.41mm (for 38mm version)
41.91 x 35.81 x 10.41 mm (for 42mm version)
Weight
24.95g Case (for 38mm version)
30.05g Case (for 42mm version)
Color
BLACK | WHITE | PINK | GREEN | BLUE
Display
Size
1.32" (for 38mm version)
1.5" (for 42mm version)
Resolution
272 x 340 (for 38mm version)
312 x 390 (for 42mm version)
Pixel Density
290ppi (for 38mm version)
302ppi (for 42mm version)
Touchscreen
Capacitive [finger]
Battery
Max. Battery Life
Up to 18 hours
Talk Time
Up to 3 hours
Audio Playback Time
Up to 6.5 hours
workout Usage Time
Up to 6.5 hours
Time Check
Up to 48 hours
Charging Time
1.5 hours to 80%
2.5 hours to 100%
Connectivity
WLAN
Wi-Fi 802.11b/g/n 2.4GHz (system use only)
Bluetooth
Bluetooth v4.0
Others
Sensors
Ambient light, Accelerometer, Gyroscope, Heart rate
Protection
Water resistance IPX7 under IEC standard 60529