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Price and Release Date | 
| Suggested Price | $399 | $450 | $300 | $400 | $299 | $199 | $179.95 | $255 | 
| Release / Update | 2024 | 2018 | 2023 | 2021 | 2023 | 2017 | 2017 | 2017 | 
Activity & Fitness | 
| Calories |  |  |  |  |  |  |  |  | 
| Distance |  |  |  |  |  |  |  |  | 
| Heart | Third-generation optical heart sensor |  |  |  |  |  |  |  | 
| VO2max (Oxygen) |  |  |  |  |  |  |  |  | 
| Sleep |  |  |  |  |  |  |  |  | 
| Steps |  |  |  |  |  |  |  |  | 
| Stress mgt |  |  |  |  |  |  |  |  | 
| Female health |  |  |  |  |  |  |  |  | 
| Skin temp |  |  |  |  |  |  |  |  | 
| Breath rate |  |  |  |  |  |  |  |  | 
Battery | 
| Duration | Up to 18 hours normal use | 7 days | Up to 28 days (45mm) / 21 days (40mm), unlimited with solar | 11 Days | Up to 11 days in smartwatch mode, 5 days with Always-on display, 21 days in battery saver mode, up to 21 hours in GPS mode |  | Up to 3 days | 30 hours | 
| Rechargeable |  |  |  |  |  |  |  |  | 
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Compatibility Support | 
| Android |  |  |  |  |  |  |  |  | 
| iOS |  |  |  |  |  |  |  |  | 
| Windows Phone |  |  |  |  |  |  |  |  | 
| Mac |  |  |  |  |  |  |  |  | 
| Windows |  |  |  |  |  |  |  |  | 
Connectivity Support | 
| Bluetooth |  |  |  |  |  |  |  |  | 
| Cellular |  |  |  |  |  |  |  |  | 
| GPS |  |  |  |  |  | Connected GPS |  |  | 
| NFC |  |  |  |  |  |  |  |  | 
| Wi-Fi |  |  |  |  |  |  |  |  | 
Display | 
| Color |  |  |  |  |  |  |  |  | 
| Resolution | 42mm: 374 x 446 pixels; 46mm: 416 x 496 pixels | 240 x 240 | 176 x 176 pixels (45mm), 156 x 156 pixels (40mm) | 416 x 416 | 390 x 390 pixels |  | 160 x 80 | 128x128 | 
| Size | 42mm or 46mm | 1.2 inches | 0.9” x 0.9” (45mm), 0.79” x 0.79” (40mm) | 1.3 inches | 1.2" | 1.39 inches | 1.18 inches | 1.4 inch | 
| Touch |  |  |  |  |  |  |  |  | 
| Type | Always-On Retina LTPO OLED | MIP | MIP | AMOLED | AMOLED | AMOLED | TFT LCD | LCD | 
Functions | 
| Audio Speaker |  |  |  |  |  |  |  |  | 
| Clock |  |  |  |  |  |  |  |  | 
| Phone |  |  |  |  |  |  |  |  | 
| Vibration |  |  |  |  |  |  |  |  | 
| Voice |  |  |  |  |  |  |  |  | 
Hardware | 
| Accelerometer |  |  |  |  |  |  |  |  | 
| Barometer or Altimeter |  |  |  |  |  |  |  |  | 
| Ultraviolet Sensor |  |  |  |  |  |  |  |  | 
| Water Resistance | Water resistant up to 50 meters | 5 ATM | 10 ATM (100 Meters) | 5 ATM | 5 ATM (50 Meters) | 5 ATM | WR30 | WR30 | 
Notifications | 
| Phone |  |  |  |  |  |  |  |  | 
| Emails |  |  |  |  |  |  |  |  | 
| Texts |  |  |  |  |  |  |  |  | 
Software | 
| Operating System | watchOS 11 |  | Garmin Watch OS | Wear OS | Garmin Watch OS | Android Wear 2 |  |  | 
| Apps |  |  |  |  |  |  |  |  | 
| Music |  |  |  |  |  |  |  |  | 
More Information | 
|   | 
                                                         
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