  |  |  |  |  |
| Case diameter | 0.94 in | 1.57 in | 2.32 in | 2.64 in | 1.57 in |
|---|---|---|---|---|---|
| Case height | 0.94 in | 1.18 in | 1.18 in | N/A | 0.51 in |
| Weight | 1.31 oz | 1.41 oz | 1.45 oz | 2.57 oz | 1.73 oz |
| Watch case material |
| Plastic/Synthetic | N/A | Stainless steel | N/A |
| Wrist band material | Silicone | Silicone | N/A | N/A | N/A |
| Colour of bracelet |
|
| N/A | N/A | N/A |
| Case thickness | N/A | 0.53 in | 0.35 in | 0.43 in | N/A |
| IP code (level of dust/water resistance) | N/A | IP67 | N/A | N/A | N/A |
| Wrist band width | N/A | N/A | N/A | 0.87 in | 0.79 in |
| Water resistance | N/A | N/A | N/A | yes | yes |
| Fully waterproof | N/A | N/A | N/A | N/A | yes |
| Bluetooth | yes | no | yes | yes | yes |
|---|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.1 | 2.1 | 4.0 | N/A |
| Wi-Fi | yes | yes | N/A | N/A | N/A |
| Built-in navigation system | no | yes | N/A | N/A | N/A |
| 3G (UMTS) | N/A | yes | N/A | N/A | N/A |
| USB | N/A | yes | yes | N/A | N/A |
| GPS | N/A | yes | N/A | N/A | N/A |
| Charging connection | N/A | N/A | N/A | Proprietary USB Cable | N/A |
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