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Editiorial reviews | ||||
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User rating |
Screen size | 1.2 in | 1.2 in | 1.85 in | N/A |
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Display technology | OLED | OLED | OLED | OLED |
Screen resolution | 390 x 390 px | 360 x 360 px | N/A | 96 x 64 px |
Type of glass | Gorilla Glass | Gorilla Glass | Mineral glass | N/A |
Type of screen | Colour screen | Colour screen | N/A | N/A |
Built-in camera | no | N/A | N/A | N/A |
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Barometer | yes | N/A | N/A | N/A |
Heart rate monitor | yes | N/A | N/A | yes |
Microphone | yes | yes | N/A | N/A |
Compass | yes | N/A | N/A | N/A |
Gyroscope | yes | yes | yes | yes |
Case diameter | 1.93 in | 1.67 in | 1.77 in | 2.32 in |
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Case height | 1.77 in | 1.8 in | 1.77 in | 1.18 in |
Case thickness | 0.5 in | 0.43 in | 0.51 in | 0.35 in |
Weight | 1.66 oz | 1.62 oz | 5.89 oz | 1.45 oz |
Watch case material |
| Stainless steel | Stainless steel | N/A |
Wrist band material | Leather | Leather | Steel | N/A |
Colour of bracelet |
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| N/A |
Water resistance | yes | yes | N/A | N/A |
Fully waterproof | yes | N/A | N/A | N/A |
IP code (level of dust/water resistance) | IP68 | IP67 | N/A | N/A |
3G (UMTS) | no | N/A | N/A | N/A |
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4G (LTE) | no | N/A | N/A | N/A |
Bluetooth | yes | yes | yes | yes |
Bluetooth version | 4.1 | 4.2 | 4.1 | 2.1 |
Wi-Fi | yes | yes | N/A | N/A |
Wireless networking standard |
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| N/A | N/A |
NFC | yes | N/A | N/A | N/A |
USB | no | yes | N/A | yes |
Built-in navigation system | yes | no | yes | N/A |
GPS | yes | N/A | N/A | N/A |
GLONASS | yes | N/A | N/A | N/A |