Apple Watch Series 3 vs. Olio Model One vs. Casio WSD-F20A vs. Garmin Chronos vs. Apple Series 6

 
Watch Series 3
Model One
WSD-F20A
Chronos
Series 6
 AppleWatch Series 3Remove Buy NowOlioModel OneRemove Buy NowCasioWSD-F20ARemove Buy NowGarminChronosRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$329$595$399$1500$399
Release20172015201820182020

Activity & Fitness

Caloriesn/a
Cycling (Bicycling)n/a
Distancen/a
Heartn/a
Oxygenn/a
Sleepn/a
Stepsn/a
Swimn/a

Battery

Duration18 hours2 days1 day8 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPSn/a
NFCn/a
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a320 x 320218 x 218384 x 480
Size1.5 inches or 1.65 inchesn/a1.32 inches1.2 inches40mm
Touch
TypeAMOLEDn/aLCDMIPMicroLED

Functions

Audio Speakern/a
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometern/a
Barometer or Altimetern/a
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATM5 ATM10 ATM

Notifications

Phonen/a
Emails
Texts

Software

Operating SystemWatchOS 4n/aWear OSWear OSWatchOS 5
Appsn/a
Music

All Wearables