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Basic Info

Suggested Price$269$250$125$100$399
Release20162015201520162018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours14 hours to 11 days7 days1 year1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/an/an/a
Windowsn/an/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312205 x 148n/a64 x 64320 x 320
Size1.5 inches or 1.65 inches1.38 inchesn/a0.55 inches1.32 inches
Touchn/a
TypeAMOLEDLCDn/an/aLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM5 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSn/an/an/aWear OS
Apps
Music

All Wearables