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Image of a Forerunner 45
Image of a Forerunner 735XT
Image of a TicWatch Pro
Image of a M400
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Basic Info

Suggested Price$269$199$450$300$200
Release20162019201620182014

Activity & Fitness

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

Battery

Duration18 hours7 days14 hours to 11 days30 days8 hours to 30 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 312208 x 208215 x 180400 x 400n/a
Size1.5 inches or 1.65 inches1.04 inches1.23 inches1.4 inchesn/a
Touchn/a
TypeAMOLEDLCDn/aOLED/FSTNn/a

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM5 ATM5 ATMIP683 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSBuilt-inn/aWear OSn/a
Apps
Music

All Wearables