  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Screen size | 1.2 in | 1.2 in | 1.4 in | 1.85 in |
|---|---|---|---|---|
| Display technology | LED | OLED | OLED | OLED |
| Screen resolution | N/A | 390 x 390 px | 400 x 400 px | N/A |
| Type of glass | N/A | Gorilla Glass | Sapphire glass | Mineral glass |
| Type of screen | N/A | Colour screen | N/A | N/A |
| Weight | 3.95 oz | 1.66 oz | N/A | 5.89 oz |
|---|---|---|---|---|
| Replaceable wrist bands | yes | N/A | yes | N/A |
| Watch case material | Titanium |
| Stainless steel | Stainless steel |
| Wrist band material |
| Leather |
| Steel |
| Anti scratch lens | yes | N/A | yes | N/A |
| Water resistance | yes | yes | N/A | N/A |
| Fully waterproof | yes | yes | N/A | N/A |
| Case diameter | N/A | 1.93 in | 1.65 in | 1.77 in |
| Case height | N/A | 1.77 in | 0.0 in | 1.77 in |
| Case thickness | N/A | 0.5 in | 0.44 in | 0.51 in |
| Colour of bracelet | N/A |
| White |
|
| IP code (level of dust/water resistance) | N/A | IP68 | IP67 | N/A |
| Wrist band width | N/A | N/A | 0.71 in | N/A |
| Bluetooth | yes | yes | yes | yes |
|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.1 | 4.1 | 4.1 |
| Charging connection | microUSB | N/A | Proprietary USB Cable | N/A |
| GPS | yes | yes | N/A | N/A |
| 3G (UMTS) | N/A | no | N/A | N/A |
| 4G (LTE) | N/A | no | N/A | N/A |
| Wi-Fi | N/A | yes | yes | N/A |
| Wireless networking standard | N/A |
| N/A | N/A |
| NFC | N/A | yes | N/A | N/A |
| USB | N/A | no | yes | N/A |
| Built-in navigation system | N/A | yes | N/A | yes |
| GLONASS | N/A | yes | N/A | N/A |
| Battery technology | Li-Ion | Li-Ion | Li-Ion | N/A |
|---|---|---|---|---|
| Battery capacity | 180.0 mAh | 420.0 mAh | 300.0 mAh | N/A |
| Average battery life (standby) | 24.0 h | 600.0 h | 72.0 h | 24.0 h |
| Wireless charging | N/A | yes | N/A | N/A |
| Battery life (running) | N/A | 48.0 h | N/A | 24.0 h |
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