  |  |  |  |  |
| Screen size | 1.2 in | 1.43 in | 1.2 in | N/A | 1.97 in |
|---|---|---|---|---|---|
| Display technology | OLED | N/A | OLED | OLED | LED |
| Screen resolution | 390 x 390 px | 128 x 296 px | 360 x 360 px | 96 x 64 px | 128 x 128 px |
| Type of glass | Gorilla Glass | N/A | Gorilla Glass | N/A | N/A |
| Type of screen | Colour screen | N/A | Colour screen | N/A | N/A |
| Case diameter | 1.93 in | N/A | 1.67 in | 2.32 in | 1.97 in |
|---|---|---|---|---|---|
| Case height | 1.77 in | N/A | 1.8 in | 1.18 in | N/A |
| Case thickness | 0.5 in | 0.35 in | 0.43 in | 0.35 in | 0.59 in |
| Weight | 1.66 oz | 1.06 oz | 1.62 oz | 1.45 oz | 2.82 oz |
| Watch case material |
|
| Stainless steel | N/A | Polyamide |
| Wrist band material | Leather |
| Leather | N/A | Silicone |
| Colour of bracelet |
| N/A |
| N/A | N/A |
| Water resistance | yes | yes | yes | N/A | yes |
| Fully waterproof | yes | yes | N/A | N/A | yes |
| IP code (level of dust/water resistance) | IP68 | N/A | IP67 | N/A | N/A |
| Wrist band width | N/A | 0.91 in | N/A | N/A | N/A |
| Replaceable wrist bands | N/A | 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 | 4.1 | 4.0 | 4.2 | 2.1 | 4.0 |
| Wi-Fi | yes | N/A | yes | N/A | N/A |
| Wireless networking standard |
| N/A |
| N/A | N/A |
| NFC | yes | N/A | N/A | N/A | N/A |
| USB | no | N/A | yes | yes | N/A |
| Built-in navigation system | yes | N/A | no | N/A | N/A |
| GPS | yes | N/A | N/A | N/A | yes |
| GLONASS | yes | N/A | N/A | N/A | N/A |
| Charging connection | N/A | microUSB | N/A | N/A | Proprietary USB Cable |
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