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Price and Release Date |
| Suggested Price | $399 | $799 | $400 | $90 | $400 | $260 | $180 | $350 |
| Release / Update | 2024 | 2023 | 2022 | 2020 | 2021 | 2020 | 2019 | 2016 |
Activity & Fitness |
| Calories | | | | | | | | |
| Distance | | | | | | | | |
| Heart | Third-generation optical heart sensor | Third-generation optical heart sensor | | | | | | |
| VO2max (Oxygen) | | | | | | | | |
| Sleep | | | | | | | | |
| Steps | | | | | | | | |
| Stress mgt | | | | | | | | |
| Female health | | | | | | | | |
| Skin temp | | | | | | | | |
| Breath rate | | | | | | | | |
Battery |
| Duration | Up to 18 hours normal use | Up to 36 hours normal use, Up to 72 hours in Low Power Mode | 14 days | 1 year | 11 Days | 5 Days | 2 days | 4 days |
| Rechargeable | | | | | | | | |
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Compatibility Support |
| Android | | | | | | | | |
| iOS | | | | | | | | |
| Windows Phone | | | | | | | | |
| Mac | | | | | | | | |
| Windows | | | | | | | | |
Connectivity Support |
| Bluetooth | | | | | | | | |
| Cellular | | | | | | | | Yes +$ |
| GPS | | | | | | | | |
| NFC | | | | | | | | |
| Wi-Fi | | | | | | | | |
Display |
| Color | | | | | | | | |
| Resolution | 42mm: 374 x 446 pixels; 46mm: 416 x 496 pixels | 502 x 410 pixels | 260x260 | 112x112 | 416 x 416 | 400 x 400 | 400 x 400 | 360 x 360 |
| Size | 42mm or 46mm | 49mm | 1.3 inches | 0.79 inches | 1.3 inches | 1.39 inches | 1.39 inches | 1.3 inches |
| Touch | | | | | | | | |
| Type | Always-On Retina LTPO OLED | Always-On Retina LTPO OLED | AMOLED | MIP | AMOLED | AMOLED | OLED | Fullcolor AOD |
Functions |
| Audio Speaker | | | | | | | | |
| Clock | | | | | | | | |
| Phone | | | | | | | | |
| Vibration | | | | | | | | |
| Voice | | | | | | | | |
Hardware |
| Accelerometer | | | | | | | | |
| Barometer or Altimeter | | | | | | | | |
| Ultraviolet Sensor | | | | | | | | |
| Water Resistance | Water resistant up to 50 meters | Water resistance 100m, Dust resistance IP6X, EN13319 recreational scuba diving to 40m, Tested to MIL-STD 810H | 5 ATM (50 Meters) | 5 ATM (50 Meters) | 5 ATM | IP68 | 5 ATM | IP68 |
Notifications |
| Phone | | | | | | | | |
| Emails | | | | | | | | |
| Texts | | | | | | | | |
Software |
| Operating System | watchOS 11 | WatchOS 10 | Built-in | | Wear OS | Wear OS | Wear OS | Tizen OS |
| Apps | | | | | | | | |
| Music | | | | | | | | Spotify |
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