  |  |  | |
| Editiorial reviews | |||
| User rating |
| Built in clockwork (Hybrid) | yes | N/A | N/A |
|---|---|---|---|
| Gyroscope | yes | yes | yes |
| Built-in camera | N/A | yes | N/A |
| Microphone | N/A | yes | yes |
| Barometer | N/A | N/A | yes |
| Heart rate monitor | N/A | N/A | yes |
| Phone Functionality | N/A | N/A | yes |
| Case diameter | 1.69 in | 1.45 in | 1.69 in |
|---|---|---|---|
| Case height | 1.69 in | 2.23 in | 1.76 in |
| Case thickness | 0.51 in | 0.44 in | 0.46 in |
| Watch case material | Stainless steel | Stainless steel |
|
| Wrist band material | Steel | Rubber | Silicone |
| Colour of bracelet | Silver | N/A |
|
| Water resistance | no | N/A | N/A |
| Weight | N/A | 2.6 oz | 2.36 oz |
| IP code (level of dust/water resistance) | N/A | N/A | IP68 |
| Bluetooth | yes | yes | yes |
|---|---|---|---|
| Bluetooth version | 4.1 | 4.0 | 4.2 |
| 3G (UMTS) | N/A | no | N/A |
| 4G (LTE) | N/A | no | yes |
| Wi-Fi | N/A | no | yes |
| NFC | N/A | yes | yes |
| USB | N/A | yes | yes |
| Built-in navigation system | N/A | no | yes |
| Battery life (running) | 6.0 h | 25.0 h | 48.0 h |
|---|---|---|---|
| Battery technology | N/A | Li-Ion | Li-Ion |
| Battery capacity | N/A | 315.0 mAh | 300.0 mAh |
| Average battery life (standby) | N/A | 150.0 h | 96.0 h |
| Wireless charging | N/A | N/A | yes |
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