  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Gyroscope | yes | yes | yes | yes |
|---|---|---|---|---|
| Built in clockwork (Hybrid) | N/A | yes | N/A | N/A |
| Microphone | N/A | yes | yes | yes |
| Built-in camera | N/A | N/A | N/A | no |
| Accelerometer | N/A | N/A | N/A | yes |
| Heart rate monitor | N/A | N/A | N/A | yes |
| Case diameter | 1.89 in | 0.87 in | 1.75 in | 1.49 in |
|---|---|---|---|---|
| Case height | 0.0 in | 1.75 in | 1.75 in | 2.31 in |
| Watch case material | Stainless steel | Stainless steel | Stainless steel |
|
| Wrist band material | Leather |
|
| Rubber |
| Colour of bracelet | Brown |
|
|
|
| Case thickness | N/A | 0.51 in | 0.51 in | 0.39 in |
| Weight | N/A | 5.75 oz | 1.8 oz | 1.94 oz |
| Water resistance | N/A | yes | yes | yes |
| Fully waterproof | N/A | yes | yes | N/A |
| IP code (level of dust/water resistance) | N/A | IP67 | IP67 | IP67 |
| Bluetooth | yes | yes | yes | yes |
|---|---|---|---|---|
| Bluetooth version | N/A | 4.1 | 4.1 | 4.0 |
| Wi-Fi | N/A | yes | yes | no |
| Built-in navigation system | N/A | no | no | N/A |
| 4G (LTE) | N/A | N/A | N/A | no |
| NFC | N/A | N/A | N/A | no |
| USB | N/A | N/A | N/A | yes |
| Infrared (IR) | N/A | N/A | N/A | yes |
| Average battery life (standby) | 24.0 h | 24.0 h | 48.0 h | 144.0 h |
|---|---|---|---|---|
| Battery life (running) | 24.0 h | 24.0 h | 24.0 h | 48.0 h |
| Wireless charging | N/A | yes | yes | N/A |
| Battery capacity | N/A | 360.0 mAh | 360.0 mAh | 300.0 mAh |
| Battery technology | N/A | N/A | Li-Ion | Li-Ion |
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