Image of a Watch Series 2Image of a M400Image of a Loop 2Image of a CorImage of a Chronos
 AppleWatch Series 2Remove Buy NowPolarM400Remove Buy NowPolarLoop 2Remove Buy NowAmazfitCorRemove Buy NowGarminChronosRemove Buy Now

Basic Info

Suggested Price$269$200$120$79.99$1500
Release20162014201520182018

Activity & Fitness

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

Battery

Duration18 hours8 hours to 30 days8 days (without notifications)12 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/an/a80 x 160218 x 218
Size1.5 inches or 1.65 inchesn/an/a1.23 inches1.2 inches
Touch
TypeAMOLEDn/aLEDIPS LCDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM3 ATM2 ATM5 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSn/an/aWear OS
Apps
Music

All Wearables