  |  |  |  |  |
| Screen size | 1.3 in | 1.34 in | 1.34 in | 1.3 in | 1.97 in |
|---|---|---|---|---|---|
| Display technology | LCD | LCD | LCD | OLED | LED |
| Screen resolution | 240 x 180 px | 300 x 300 px | 300 x 300 px | N/A | 128 x 128 px |
| Type of glass | Gorilla Glass | Gorilla Glass | Gorilla Glass | Mineral glass | N/A |
| Type of screen | Colour screen | N/A | N/A | N/A | N/A |
| Case diameter | 1.58 in | 0.94 in | 0.94 in | 1.73 in | 1.97 in |
|---|---|---|---|---|---|
| Case height | 1.65 in | 0.94 in | 0.94 in | 0.0 in | N/A |
| Case thickness | 0.44 in | N/A | N/A | 0.55 in | 0.59 in |
| Weight | 1.55 oz | 1.31 oz | 1.31 oz | N/A | 2.82 oz |
| Replaceable wrist bands | yes | N/A | N/A | N/A | yes |
| Watch case material |
|
| Aluminum | Stainless steel | Polyamide |
| Wrist band material |
| Silicone |
|
| Silicone |
| Colour of bracelet |
|
|
|
| N/A |
| Water resistance | yes | N/A | N/A | N/A | yes |
| Fully waterproof | no | N/A | N/A | N/A | yes |
| Anti scratch lens | N/A | N/A | N/A | N/A | yes |
| 3G (UMTS) | no | N/A | N/A | N/A | N/A |
|---|---|---|---|---|---|
| 4G (LTE) | no | N/A | N/A | N/A | N/A |
| Bluetooth | yes | yes | yes | yes | yes |
| Bluetooth version | 4.0 | 4.0 | 4.0 | N/A | 4.0 |
| Wi-Fi | no | yes | yes | N/A | N/A |
| NFC | no | N/A | yes | N/A | N/A |
| USB | yes | N/A | N/A | N/A | N/A |
| Built-in navigation system | no | no | yes | yes | N/A |
| GPS | yes | N/A | N/A | N/A | yes |
| Charging connection | N/A | N/A | N/A | N/A | Proprietary USB Cable |
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