Fitbit Alta vs. Fossil Explorist vs. Garmin 645 Music vs. Diesel On Full Guard 2.5 vs. Apple Watch Ultra

 
Alta
Explorist
645 Music
On Full Guard 2.5
Watch Ultra
 FitbitAltaRemove Buy NowFossilExploristRemove Buy NowGarmin645 MusicRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$130$255$450$325$799
Release20162018201820182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours7 days4 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a454 x454240 x 240454x454502x410 pixels
Sizen/a1.4 inches1.2 inches1.39 inches1.92 inches
Touchn/a
TypeOLEDAMOLEDMIP

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP675 ATM3 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWear OSWear OSWatchOS 9
Apps
Music

All Wearables