  |  |  | |
| Editiorial reviews | |||
| User rating |
| Screen size | 1.2 in | 1.2 in | 1.2 in |
|---|---|---|---|
| Display technology | LED | OLED | OLED |
| Screen resolution | N/A | 390 x 390 px | 360 x 360 px |
| Type of glass | N/A | Gorilla Glass | Gorilla Glass |
| Type of screen | N/A | Colour screen | Colour screen |
| Weight | 3.95 oz | 1.66 oz | 1.62 oz |
|---|---|---|---|
| Replaceable wrist bands | yes | N/A | N/A |
| Watch case material | Titanium |
| Stainless steel |
| Wrist band material |
| Leather | Leather |
| Anti scratch lens | yes | N/A | N/A |
| Water resistance | yes | yes | yes |
| Fully waterproof | yes | yes | N/A |
| Case diameter | N/A | 1.93 in | 1.67 in |
| Case height | N/A | 1.77 in | 1.8 in |
| Case thickness | N/A | 0.5 in | 0.43 in |
| Colour of bracelet | N/A |
|
|
| IP code (level of dust/water resistance) | N/A | IP68 | IP67 |
| Bluetooth | yes | yes | yes |
|---|---|---|---|
| Bluetooth version | 4.0 | 4.1 | 4.2 |
| Charging connection | microUSB | N/A | N/A |
| GPS | yes | yes | N/A |
| 3G (UMTS) | N/A | no | N/A |
| 4G (LTE) | N/A | no | N/A |
| Wi-Fi | N/A | yes | yes |
| Wireless networking standard | N/A |
|
|
| NFC | N/A | yes | N/A |
| USB | N/A | no | yes |
| Built-in navigation system | N/A | yes | no |
| GLONASS | N/A | yes | N/A |
| Battery technology | Li-Ion | Li-Ion | Li-Ion |
|---|---|---|---|
| Battery capacity | 180.0 mAh | 420.0 mAh | 240.0 mAh |
| Average battery life (standby) | 24.0 h | 600.0 h | N/A |
| Wireless charging | N/A | yes | yes |
| Battery life (running) | N/A | 48.0 h | 18.0 h |
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