Garmin 645 Music vs. Garmin Chronos vs. Fitbit Alta HR vs. Polar A370 vs. Michael Kors Access Runway

 
645 Music
Chronos
Alta HR
A370
Access Runway
 Garmin645 MusicRemove Buy NowGarminChronosRemove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowMichael KorsAccess RunwayRemove Buy Now

Basic Info

Suggested Price$450$1500$150$179.95$350
Release20182018201720172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days8 days7 daysUp to 3 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240218 x 218128 x 36160 x 80390 x 390
Size1.2 inches1.2 inches1.4 inches1.18 inches1.19 inches
Touch
TypeMIPMIPOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATMWR303 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSWear OS
Apps
Music

All Wearables