  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Touchscreen | yes | N/A | N/A | no |
|---|---|---|---|---|
| Screen size | 1.4 in | 1.4 in | 1.3 in | 1.6 in |
| Screen resolution | 205 x 148 px | 400 x 400 px | N/A | N/A |
| Display technology | N/A | OLED | OLED | N/A |
| Type of glass | N/A | Sapphire glass | Mineral glass | N/A |
| Type of screen | N/A | N/A | N/A | Monochrome |
| Case diameter | 1.38 in | 1.65 in | 1.73 in | 1.57 in |
|---|---|---|---|---|
| Case thickness | 0.31 in | 0.44 in | 0.55 in | N/A |
| Weight | 1.34 oz | N/A | N/A | 1.73 oz |
| Watch case material |
| Stainless steel | Stainless steel | N/A |
| Wrist band material |
|
|
| N/A |
| Water resistance | yes | N/A | N/A | yes |
| Case height | N/A | 0.0 in | 0.0 in | 0.51 in |
| Wrist band width | N/A | 0.71 in | N/A | 0.79 in |
| Replaceable wrist bands | N/A | yes | N/A | N/A |
| Anti scratch lens | N/A | yes | N/A | N/A |
| IP code (level of dust/water resistance) | N/A | IP67 | N/A | N/A |
| Colour of bracelet | N/A | N/A |
| N/A |
| Fully waterproof | N/A | N/A | N/A | yes |
| Bluetooth | yes | yes | yes | yes |
|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.1 | N/A | N/A |
| Charging connection | Proprietary USB Cable | Proprietary USB Cable | N/A | N/A |
| GPS | yes | N/A | N/A | N/A |
| Wi-Fi | N/A | yes | N/A | N/A |
| USB | N/A | yes | N/A | N/A |
| Built-in navigation system | N/A | N/A | yes | N/A |
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