  |  |  |  |  |
| Screen size | 1.2 in | 1.4 in | 1.43 in | 1.26 in | 1.0 in |
|---|---|---|---|---|---|
| Display technology | LED | OLED | N/A | LCD | N/A |
| Screen resolution | N/A | 400 x 400 px | 128 x 296 px | 144 x 168 px | 180 x 180 px |
| Type of glass | N/A | Sapphire glass | N/A | Gorilla Glass | N/A |
| Type of screen | N/A | N/A | N/A | Monochrome | N/A |
| Weight | 3.95 oz | N/A | 1.06 oz | 1.12 oz | 0.99 oz |
|---|---|---|---|---|---|
| Replaceable wrist bands | yes | yes | N/A | N/A | yes |
| Watch case material | Titanium | Stainless steel |
| Plastic/Synthetic | Stainless steel |
| Wrist band material |
|
|
| Silicone |
|
| Anti scratch lens | yes | yes | N/A | N/A | yes |
| Water resistance | yes | N/A | yes | yes | yes |
| Fully waterproof | yes | N/A | yes | no | N/A |
| Case diameter | N/A | 1.65 in | N/A | 1.56 in | 1.5 in |
| Case height | N/A | 0.0 in | N/A | 1.19 in | N/A |
| Case thickness | N/A | 0.44 in | 0.35 in | 0.44 in | 0.28 in |
| Wrist band width | N/A | 0.71 in | 0.91 in | N/A | 0.55 in |
| IP code (level of dust/water resistance) | N/A | IP67 | N/A | N/A | N/A |
| Colour of bracelet | N/A | N/A | N/A |
| N/A |
| Bluetooth | yes | yes | yes | yes | yes |
|---|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.1 | 4.0 | 4.0 | 4.0 |
| Charging connection | microUSB | Proprietary USB Cable | microUSB | N/A | Proprietary USB Cable |
| GPS | yes | N/A | N/A | N/A | N/A |
| Wi-Fi | N/A | yes | N/A | no | N/A |
| USB | N/A | yes | N/A | no | N/A |
| 3G (UMTS) | N/A | N/A | N/A | no | N/A |
| 4G (LTE) | N/A | N/A | N/A | no | N/A |
| NFC | N/A | N/A | N/A | no | N/A |
| Built-in navigation system | N/A | N/A | N/A | no | N/A |
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