  |  |  |  |  |
| Screen size | 1.2 in | 0.95 in | 1.25 in | 1.97 in | 1.97 in |
|---|---|---|---|---|---|
| Display technology | LED | OLED | N/A | LED | LED |
| Screen resolution | N/A | 144 x 168 px | 144 x 168 px | 128 x 128 px | 128 x 128 px |
| Type of glass | N/A | Gorilla Glass | N/A | N/A | N/A |
| Weight | 3.95 oz | 1.41 oz | 4.09 oz | 3.14 oz | 2.82 oz |
|---|---|---|---|---|---|
| Replaceable wrist bands | yes | N/A | N/A | yes | yes |
| Watch case material | Titanium | Plastic/Synthetic |
| Polyamide | Polyamide |
| Wrist band material |
| Silicone |
| Elastomer | Silicone |
| Anti scratch lens | yes | N/A | yes | yes | yes |
| Water resistance | yes | N/A | yes | yes | yes |
| Fully waterproof | yes | N/A | yes | yes | yes |
| Case diameter | N/A | 1.57 in | 1.85 in | 1.97 in | 1.97 in |
| Case height | N/A | 1.18 in | N/A | N/A | N/A |
| Case thickness | N/A | 0.53 in | 0.39 in | 0.71 in | 0.59 in |
| Colour of bracelet | N/A |
| N/A | N/A | N/A |
| IP code (level of dust/water resistance) | N/A | IP67 | N/A | N/A | N/A |
| Wrist band width | N/A | N/A | 0.87 in | N/A | N/A |
| Dust resistant | N/A | N/A | yes | N/A | N/A |
| Shock resistant | N/A | N/A | yes | N/A | N/A |
| Bluetooth | yes | no | yes | yes | yes |
|---|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.1 | 4.0 | 4.0 | 4.0 |
| Charging connection | microUSB | N/A | Proprietary USB Cable | Proprietary USB Cable | Proprietary USB Cable |
| GPS | yes | yes | N/A | yes | yes |
| 3G (UMTS) | N/A | yes | N/A | N/A | N/A |
| Wi-Fi | N/A | yes | N/A | N/A | N/A |
| USB | N/A | yes | N/A | N/A | N/A |
| Built-in navigation system | N/A | yes | N/A | N/A | N/A |
| Battery technology | Li-Ion | Li-Ion | Li-Ion | Li-Ion | Li-Ion |
|---|---|---|---|---|---|
| Battery capacity | 180.0 mAh | 130.0 mAh | N/A | N/A | N/A |
| Average battery life (standby) | 24.0 h | N/A | 240.0 h | N/A | N/A |
| Battery life (running) | N/A | 144.0 h | N/A | N/A | N/A |
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