  |  |  |  |  |
| Screen size | 1.34 in | 0.95 in | 1.3 in | 1.4 in | 1.6 in |
|---|---|---|---|---|---|
| Display technology | LCD | OLED | OLED | N/A | N/A |
| Screen resolution | 300 x 300 px | 144 x 168 px | N/A | 400 x 400 px | N/A |
| Type of glass | Gorilla Glass | Gorilla Glass | Mineral glass | N/A | N/A |
| Touchscreen | N/A | N/A | N/A | N/A | no |
| Type of screen | N/A | N/A | N/A | N/A | Monochrome |
| Case diameter | 0.94 in | 1.57 in | 1.73 in | 1.77 in | 1.57 in |
|---|---|---|---|---|---|
| Case height | 0.94 in | 1.18 in | 0.0 in | N/A | 0.51 in |
| Weight | 1.31 oz | 1.41 oz | N/A | N/A | 1.73 oz |
| Watch case material |
| Plastic/Synthetic | Stainless steel | N/A | N/A |
| Wrist band material | Silicone | Silicone |
| N/A | N/A |
| Colour of bracelet |
|
|
| N/A | N/A |
| Case thickness | N/A | 0.53 in | 0.55 in | 0.51 in | N/A |
| IP code (level of dust/water resistance) | N/A | IP67 | N/A | IP67 | N/A |
| Anti scratch lens | N/A | N/A | N/A | yes | N/A |
| Water resistance | N/A | N/A | N/A | yes | yes |
| Dust resistant | N/A | N/A | N/A | yes | N/A |
| Wrist band width | N/A | N/A | N/A | N/A | 0.79 in |
| Fully waterproof | N/A | N/A | N/A | N/A | yes |
| Bluetooth | yes | no | yes | yes | yes |
|---|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.1 | N/A | 4.1 | N/A |
| Wi-Fi | yes | yes | N/A | N/A | N/A |
| Built-in navigation system | no | yes | yes | yes | N/A |
| 3G (UMTS) | N/A | yes | N/A | N/A | N/A |
| USB | N/A | yes | N/A | N/A | N/A |
| GPS | N/A | yes | N/A | N/A | N/A |
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