  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Gyroscope | yes | yes | yes | yes |
|---|---|---|---|---|
| Accelerometer | N/A | yes | N/A | N/A |
| Barometer | N/A | yes | N/A | N/A |
| Heart rate monitor | N/A | yes | N/A | N/A |
| Microphone | N/A | yes | yes | yes |
| Pedometer | N/A | yes | N/A | N/A |
| Case diameter | 1.89 in | 1.65 in | 1.75 in | 1.65 in |
|---|---|---|---|---|
| Case height | 0.0 in | 0.0 in | 1.75 in | 1.65 in |
| Watch case material | Stainless steel | Stainless steel | Stainless steel | Stainless steel |
| Wrist band material | Leather |
|
| Steel |
| Colour of bracelet | Brown | N/A |
|
|
| Case thickness | N/A | 0.44 in | 0.51 in | 0.43 in |
| Wrist band width | N/A | 0.71 in | N/A | N/A |
| Replaceable wrist bands | N/A | yes | N/A | N/A |
| Anti scratch lens | N/A | yes | N/A | N/A |
| IP code (level of dust/water resistance) | N/A | IP67 | IP67 | IP67 |
| Weight | N/A | N/A | 1.8 oz | 5.89 oz |
| Water resistance | N/A | N/A | yes | N/A |
| Fully waterproof | N/A | N/A | yes | N/A |
| Bluetooth | yes | yes | yes | yes |
|---|---|---|---|---|
| Bluetooth version | N/A | 4.1 | 4.1 | 4.1 |
| Wi-Fi | N/A | yes | yes | N/A |
| USB | N/A | yes | N/A | N/A |
| Charging connection | N/A | Proprietary USB Cable | N/A | N/A |
| Built-in navigation system | N/A | N/A | no | no |
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