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Basic Info

Suggested Price$329$269$199$450$1500
Release20172016201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours18 hours5 days7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312340 x 272 or 390 x 312320 x 300240 x 240218 x 218
Size1.5 inches or 1.65 inches1.5 inches or 1.65 inches1.34 inches1.2 inches1.2 inches
Touch
TypeAMOLEDAMOLEDOLEDMIPMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATM5 ATM5 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Watch OSProprietaryWear OS
Apps
Music

All Wearables