  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Built in clockwork (Hybrid) | yes | N/A | N/A | N/A |
|---|---|---|---|---|
| Gyroscope | yes | yes | yes | yes |
| Heart rate monitor | N/A | yes | N/A | yes |
| Built-in camera | N/A | N/A | yes | no |
| Microphone | N/A | N/A | yes | yes |
| Barometer | N/A | N/A | N/A | yes |
| Compass | N/A | N/A | N/A | yes |
| Phone Functionality | N/A | N/A | N/A | yes |
| Case diameter | 1.69 in | 2.32 in | 1.45 in | 1.81 in |
|---|---|---|---|---|
| Case height | 1.69 in | 1.18 in | 2.23 in | 1.93 in |
| Case thickness | 0.51 in | 0.35 in | 0.44 in | 0.51 in |
| Watch case material | Stainless steel | N/A | Stainless steel |
|
| Wrist band material | Steel | N/A | Rubber |
|
| Colour of bracelet | Silver | N/A | N/A |
|
| Water resistance | no | N/A | N/A | yes |
| Weight | N/A | 1.45 oz | 2.6 oz | 2.19 oz |
| Fully waterproof | N/A | N/A | N/A | no |
| IP code (level of dust/water resistance) | N/A | N/A | N/A | IP68 |
| Bluetooth | yes | yes | yes | yes |
|---|---|---|---|---|
| Bluetooth version | 4.1 | 2.1 | 4.0 | 4.2 |
| USB | N/A | yes | yes | yes |
| 3G (UMTS) | N/A | N/A | no | yes |
| 4G (LTE) | N/A | N/A | no | no |
| Wi-Fi | N/A | N/A | no | yes |
| NFC | N/A | N/A | yes | yes |
| Built-in navigation system | N/A | N/A | no | yes |
| Wireless networking standard | N/A | N/A | N/A |
|
| GPS | N/A | N/A | N/A | yes |
| GLONASS | N/A | N/A | N/A | yes |
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