Apple Watch Series 3 vs. Fitbit Alta vs. Casio WSD-F20A vs. Fossil Explorist vs. Apple SE

 
Watch Series 3
Alta
WSD-F20A
Explorist
SE
 AppleWatch Series 3Remove Buy NowFitbitAltaRemove Buy NowCasioWSD-F20ARemove Buy NowFossilExploristRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$329$130$399$255$279
Release20172016201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days1 day24 hours18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a320 x 320454 x454384 x 480
Size1.5 inches or 1.65 inchesn/a1.32 inches1.4 inches40mm
Touchn/a
TypeAMOLEDOLEDLCDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATMn/a5 ATMIP67

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemWatchOS 4n/aWear OSWear OSWatchOS 5
Apps
Music

All Wearables