  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Screen size | 0.95 in | 1.3 in | 1.63 in | 1.2 in |
|---|---|---|---|---|
| Display technology | OLED | OLED | OLED | OLED |
| Screen resolution | 144 x 168 px | N/A | 320 x 320 px | 360 x 360 px |
| Type of glass | Gorilla Glass | Mineral glass | N/A | Gorilla Glass |
| Multi touch | N/A | N/A | yes | N/A |
| Case diameter | 1.57 in | 1.73 in | 2.64 in | 1.69 in |
|---|---|---|---|---|
| Case height | 1.18 in | 0.0 in | N/A | 1.76 in |
| Case thickness | 0.53 in | 0.55 in | 0.43 in | 0.46 in |
| Weight | 1.41 oz | N/A | 2.57 oz | 2.36 oz |
| Watch case material | Plastic/Synthetic | Stainless steel | Stainless steel |
|
| Wrist band material | Silicone |
| N/A | Silicone |
| Colour of bracelet |
|
| N/A |
|
| IP code (level of dust/water resistance) | IP67 | N/A | N/A | IP68 |
| Wrist band width | N/A | N/A | 0.87 in | N/A |
| Water resistance | N/A | N/A | yes | N/A |
| 3G (UMTS) | yes | N/A | N/A | N/A |
|---|---|---|---|---|
| Bluetooth | no | yes | yes | yes |
| Bluetooth version | 4.1 | N/A | 4.0 | 4.2 |
| Wi-Fi | yes | N/A | N/A | yes |
| USB | yes | N/A | N/A | yes |
| Built-in navigation system | yes | yes | N/A | yes |
| GPS | yes | N/A | N/A | N/A |
| Charging connection | N/A | N/A | Proprietary USB Cable | N/A |
| 4G (LTE) | N/A | N/A | N/A | yes |
| NFC | N/A | N/A | N/A | yes |
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