  |  |  |  |  |
| Touchscreen | yes | N/A | N/A | N/A | N/A |
|---|---|---|---|---|---|
| Screen size | 1.63 in | 1.34 in | 1.85 in | 1.3 in | 1.97 in |
| Display technology | OLED | LCD | OLED | OLED | LED |
| Screen resolution | 320 x 320 px | 300 x 300 px | N/A | N/A | 128 x 128 px |
| Type of glass | Gorilla Glass | Gorilla Glass | Mineral glass | Mineral glass | N/A |
| Type of screen | Colour screen | N/A | N/A | N/A | N/A |
| Case diameter | 1.57 in | 0.94 in | 1.77 in | 1.73 in | 1.97 in |
|---|---|---|---|---|---|
| Case height | 2.01 in | 0.94 in | 1.77 in | 0.0 in | N/A |
| Case thickness | 0.37 in | N/A | 0.51 in | 0.55 in | 0.59 in |
| Wrist band width | 1.54 in | N/A | N/A | N/A | N/A |
| Weight | 2.65 oz | 1.31 oz | 5.89 oz | N/A | 2.82 oz |
| Replaceable wrist bands | yes | N/A | N/A | N/A | yes |
| Watch case material | Stainless steel |
| Stainless steel | Stainless steel | Polyamide |
| Wrist band material | Leather | Silicone | Steel |
| Silicone |
| Colour of bracelet |
|
|
|
| N/A |
| Anti scratch lens | yes | N/A | N/A | N/A | yes |
| Water resistance | yes | N/A | N/A | N/A | yes |
| Fully waterproof | no | N/A | N/A | N/A | yes |
| IP code (level of dust/water resistance) | IP55 | 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 | 4.1 | N/A | 4.0 |
| Wi-Fi | no | yes | N/A | N/A | N/A |
| NFC | no | N/A | N/A | N/A | N/A |
| USB | yes | N/A | N/A | N/A | N/A |
| Charging connection | microUSB | N/A | N/A | N/A | Proprietary USB Cable |
| Built-in navigation system | yes | no | yes | yes | N/A |
| GPS | yes | N/A | N/A | N/A | yes |
| GLONASS | no | N/A | N/A | N/A | N/A |
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