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Screen size | 1.3 in | N/A | 1.56 in | 1.65 in | 1.63 in | 1.3 in |
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Display technology | OLED | OLED | LCD | N/A | OLED | OLED |
Screen resolution | 320 x 320 px | 96 x 16 px | 320 x 290 px | 360 x 360 px | 320 x 320 px | 360 x 360 px |
Type of glass | Plexiglas | N/A | N/A | N/A | Gorilla Glass | Gorilla Glass |
Type of screen | Colour screen | N/A | N/A | N/A | Colour screen | Colour screen |
Touchscreen | N/A | N/A | yes | yes | N/A | N/A |
Multi touch | N/A | N/A | N/A | yes | N/A | N/A |
Case diameter | 1.83 in | N/A | 1.81 in | N/A | 1.45 in | 1.81 in |
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Case height | 2.11 in | N/A | N/A | N/A | 2.23 in | 1.93 in |
Case thickness | 0.38 in | N/A | 0.43 in | N/A | 0.44 in | 0.51 in |
Wrist band width | 0.87 in | N/A | N/A | N/A | 0.87 in | N/A |
Weight | 2.19 oz | 8.01 oz | 1.73 oz | N/A | 2.6 oz | 2.19 oz |
Replaceable wrist bands | yes | yes | yes | N/A | yes | N/A |
Watch case material |
| Nylon Resin | Stainless steel | Metal | Stainless steel |
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Wrist band material |
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| N/A | N/A |
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Colour of bracelet | Black | N/A | N/A | N/A |
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Anti scratch lens | yes | yes | yes | N/A | yes | N/A |
Water resistance | yes | yes | yes | N/A | yes | yes |
Fully waterproof | yes | N/A | yes | N/A | yes | no |
IP code (level of dust/water resistance) | IP67 | N/A | N/A | N/A | IP68 | IP68 |
Dust resistant | N/A | N/A | N/A | N/A | yes | N/A |
3G (UMTS) | no | N/A | N/A | N/A | no | yes |
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4G (LTE) | no | N/A | N/A | N/A | yes | no |
Bluetooth | yes | yes | yes | yes | yes | yes |
Bluetooth version | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.2 |
Wi-Fi | yes | N/A | yes | yes | yes | yes |
NFC | no | N/A | N/A | N/A | yes | yes |
USB | yes | N/A | N/A | N/A | yes | yes |
Charging connection | microUSB | microUSB | Wireless | N/A | Wireless | N/A |
Built-in navigation system | no | N/A | N/A | N/A | yes | yes |
Headphone connection | N/A | N/A | Bluetooth | N/A | Bluetooth | N/A |
GPS | N/A | N/A | N/A | yes | yes | yes |
Wireless networking standard | N/A | N/A | N/A | N/A |
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GLONASS | N/A | N/A | N/A | N/A | yes | yes |