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Editiorial reviews | ||||
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User rating |
Screen size | 1.2 in | 1.26 in | 1.3 in | 1.28 in |
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Display technology | OLED | N/A | OLED | N/A |
Screen resolution | 390 x 390 px | 144 x 168 px | 360 x 360 px | 176 x 176 px |
Type of glass | Gorilla Glass | N/A | Gorilla Glass | Gorilla Glass |
Type of screen | Colour screen | N/A | Colour screen | N/A |
Case diameter | 1.93 in | 2.48 in | 1.81 in | 1.38 in |
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Case height | 1.77 in | N/A | 1.93 in | 0.0 in |
Case thickness | 0.5 in | 0.43 in | 0.51 in | 0.31 in |
Weight | 1.66 oz | 1.34 oz | 2.19 oz | 1.09 oz |
Watch case material |
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| Plastic/Synthetic |
Wrist band material | Leather |
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| Silicone |
Colour of bracelet |
| N/A |
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Water resistance | yes | yes | yes | N/A |
Fully waterproof | yes | N/A | no | N/A |
IP code (level of dust/water resistance) | IP68 | N/A | IP68 | IP68 |
Wrist band width | N/A | 0.87 in | N/A | N/A |
Replaceable wrist bands | N/A | yes | N/A | N/A |
Anti scratch lens | N/A | yes | N/A | N/A |
3G (UMTS) | no | N/A | yes | N/A |
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4G (LTE) | no | N/A | no | N/A |
Bluetooth | yes | yes | yes | yes |
Bluetooth version | 4.1 | 4.0 | 4.2 | 4.0 |
Wi-Fi | yes | N/A | yes | N/A |
Wireless networking standard |
| N/A |
| N/A |
NFC | yes | N/A | yes | N/A |
USB | no | N/A | yes | yes |
Built-in navigation system | yes | N/A | yes | yes |
GPS | yes | N/A | yes | N/A |
GLONASS | yes | N/A | yes | N/A |
Charging connection | N/A | Proprietary USB Cable | N/A | N/A |
Wireless charging | yes | N/A | yes | N/A |
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Battery technology | Li-Ion | Li-Ion | Li-Ion | Li-polymer |
Battery capacity | 420.0 mAh | 140.0 mAh | 380.0 mAh | 190.0 mAh |
Average battery life (standby) | 600.0 h | 168.0 h | 96.0 h | 1080.0 h |
Battery life (running) | 48.0 h | N/A | 96.0 h | 720.0 h |