  |  |  |  |  |
| Screen size | 1.3 in | 1.43 in | 1.22 in | 1.63 in | 1.2 in |
|---|---|---|---|---|---|
| Display technology | LCD | N/A | LCD | OLED | OLED |
| Screen resolution | 240 x 180 px | 128 x 296 px | 240 x 204 px | 320 x 320 px | 360 x 360 px |
| Type of glass | Gorilla Glass | N/A | N/A | Gorilla Glass | Gorilla Glass |
| Type of screen | Colour screen | N/A | Colour screen | Colour screen | Colour screen |
| Touchscreen | N/A | N/A | yes | N/A | yes |
| Case diameter | 1.58 in | N/A | N/A | 1.49 in | 1.67 in |
|---|---|---|---|---|---|
| Case height | 1.65 in | N/A | N/A | 2.31 in | 1.96 in |
| Case thickness | 0.44 in | 0.35 in | N/A | 0.39 in | 0.45 in |
| Weight | 1.55 oz | 1.06 oz | 2.01 oz | 1.94 oz | 1.66 oz |
| Replaceable wrist bands | yes | N/A | N/A | N/A | N/A |
| Watch case material |
|
| N/A |
| Stainless steel |
| Wrist band material |
|
| N/A | Rubber |
|
| Colour of bracelet |
| N/A |
|
|
|
| Water resistance | yes | yes | yes | yes | yes |
| Fully waterproof | no | yes | N/A | N/A | yes |
| Wrist band width | N/A | 0.91 in | N/A | N/A | N/A |
| IP code (level of dust/water resistance) | N/A | N/A | IP67 | IP67 | IP68 |
| Dust resistant | N/A | N/A | N/A | N/A | yes |
| 3G (UMTS) | no | N/A | N/A | N/A | no |
|---|---|---|---|---|---|
| 4G (LTE) | no | N/A | N/A | no | yes |
| Bluetooth | yes | yes | yes | yes | yes |
| Bluetooth version | 4.0 | 4.0 | 4.0 | 4.0 | 4.1 |
| Wi-Fi | no | N/A | N/A | no | yes |
| NFC | no | N/A | N/A | no | yes |
| USB | yes | N/A | yes | yes | yes |
| Built-in navigation system | no | N/A | N/A | N/A | no |
| GPS | yes | N/A | N/A | N/A | N/A |
| Charging connection | N/A | microUSB | N/A | N/A | Wireless |
| Infrared (IR) | N/A | N/A | N/A | yes | N/A |
| Wireless networking standard | N/A | N/A | N/A | N/A |
|
| Headphone connection | N/A | N/A | N/A | N/A | Bluetooth |
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