645 Music
Watch Sport
M400
 Garmin645 MusicRemove Buy NowLGWatch SportRemove Buy NowPolarM400Remove Buy Now

Basic Info

Suggested Price$450$349$200
Release201820162014

Activity & Fitness

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

Battery

Duration7 days1.45 days8 hours to 30 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240480 x 480n/a
Size1.2 inches1.38 inchesn/a
Touch
TypeMIPP-OLEDn/a

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP683 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2n/a
Apps
Music

All Wearables