Polar A360 vs. Asus ZenWatch vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit GTR
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| PolarA360Remove Buy Now | AsusZenWatchRemove Buy Now | CasioWSD-F20ARemove Buy Now | Michael KorsGraysonRemove Buy Now | Michael KorsGraysonRemove Buy Now | AmazfitGTRRemove Buy Now |
Basic Info | ||||||
| Suggested Price | $200 | $150 | $399 | $350 | $350 | $199 |
| Release | 2015 | 2014 | 2018 | 2018 | 2018 | 2019 |
Activity & Fitness | ||||||
| Calories | ||||||
| Cycling (Bicycling) | ||||||
| Distance | ||||||
| Heart | ||||||
| Oxygen | ||||||
| Sleep | ||||||
| Steps | ||||||
| Swim | ||||||
Battery | ||||||
| Duration | 12 days | NA | 1 day | 24 hours | 24 hours | 24 days |
| Rechargeable | ||||||
Compatibility | ||||||
| Android | ||||||
| iOS | ||||||
| Windows Phone | n/a | NA | ||||
| Mac | NA | |||||
| Windows | NA | |||||
Connectivity | ||||||
| Bluetooth | ||||||
| Cellular | ||||||
| GPS | ||||||
| NFC | ||||||
| Wi-Fi | ||||||
Display | ||||||
| Color | ||||||
| Resolution | 160 x 80 | 320 x 320 | 320 x 320 | 453 x 454 | 453x454 | 454 x 454 |
| Size | 1.18 inches | 1.63 inches | 1.32 inches | 1.39 inches | 1.39 inches | 1.39 inches |
| Touch | ||||||
| Type | n/a | AMOLED | LCD | AMOLED | AMOLED | AMOLED |
Functions | ||||||
| Audio Speaker | ||||||
| Clock | ||||||
| Phone | ||||||
| Vibration | ||||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | WR30 | IP55 | 5 ATM | 1 ATM | 1 ATM | 5 ATM |
Notifications | ||||||
| Phone | ||||||
| Emails | NA | |||||
| Texts | NA | |||||
Software | ||||||
| Operating System | n/a | Android Wear | Wear OS | Android Wear | Android Wear | Build-in |
| Apps | ||||||
| Music | ||||||