  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Screen size | 1.34 in | 1.4 in | 1.6 in | 1.6 in |
|---|---|---|---|---|
| Display technology | LCD | OLED | N/A | N/A |
| Screen resolution | 300 x 300 px | 400 x 400 px | 320 x 320 px | N/A |
| Type of glass | Gorilla Glass | Sapphire glass | N/A | N/A |
| Touchscreen | N/A | N/A | N/A | no |
| Type of screen | N/A | N/A | N/A | Monochrome |
| Case diameter | 0.94 in | 1.65 in | 1.97 in | 1.57 in |
|---|---|---|---|---|
| Case height | 0.94 in | 0.0 in | N/A | 0.51 in |
| Weight | 1.31 oz | N/A | 1.59 oz | 1.73 oz |
| Watch case material |
| Stainless steel | Stainless steel | N/A |
| Wrist band material | Silicone |
|
| N/A |
| Colour of bracelet |
| N/A | N/A | N/A |
| Case thickness | N/A | 0.44 in | 0.39 in | N/A |
| Wrist band width | N/A | 0.71 in | N/A | 0.79 in |
| Replaceable wrist bands | N/A | yes | yes | N/A |
| Anti scratch lens | N/A | yes | yes | N/A |
| IP code (level of dust/water resistance) | N/A | IP67 | N/A | N/A |
| Water resistance | N/A | N/A | yes | yes |
| Fully waterproof | N/A | N/A | yes | yes |
| Dust resistant | N/A | N/A | yes | N/A |
| Bluetooth | yes | yes | yes | yes |
|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.1 | 4.0 | N/A |
| Wi-Fi | yes | yes | yes | N/A |
| Built-in navigation system | no | N/A | N/A | N/A |
| USB | N/A | yes | N/A | N/A |
| Charging connection | N/A | Proprietary USB Cable | microUSB | N/A |
| NFC | N/A | N/A | yes | N/A |
| Headphone connection | N/A | N/A | Bluetooth | N/A |
| GPS | N/A | N/A | yes | N/A |
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