  |  |  |  |  |
| Screen size | 1.2 in | 1.4 in | 1.85 in | 1.63 in | 1.2 in |
|---|---|---|---|---|---|
| Display technology | LED | OLED | OLED | OLED | OLED |
| Screen resolution | N/A | 400 x 400 px | N/A | 320 x 320 px | 360 x 360 px |
| Type of glass | N/A | Sapphire glass | Mineral glass | Gorilla Glass | Gorilla Glass |
| Type of screen | N/A | N/A | N/A | Colour screen | Colour screen |
| Touchscreen | N/A | N/A | N/A | N/A | yes |
| Weight | 3.95 oz | N/A | 5.89 oz | 1.94 oz | 1.66 oz |
|---|---|---|---|---|---|
| Replaceable wrist bands | yes | yes | N/A | N/A | N/A |
| Watch case material | Titanium | Stainless steel | Stainless steel |
| Stainless steel |
| Wrist band material |
|
| Steel | Rubber |
|
| Anti scratch lens | yes | yes | N/A | N/A | N/A |
| Water resistance | yes | N/A | N/A | yes | yes |
| Fully waterproof | yes | N/A | N/A | N/A | yes |
| Case diameter | N/A | 1.65 in | 1.77 in | 1.49 in | 1.67 in |
| Case height | N/A | 0.0 in | 1.77 in | 2.31 in | 1.96 in |
| Case thickness | N/A | 0.44 in | 0.51 in | 0.39 in | 0.45 in |
| Wrist band width | N/A | 0.71 in | N/A | N/A | N/A |
| IP code (level of dust/water resistance) | N/A | IP67 | N/A | IP67 | IP68 |
| Colour of bracelet | N/A | N/A |
|
|
|
| Dust resistant | N/A | N/A | N/A | N/A | yes |
| Bluetooth | yes | yes | yes | yes | yes |
|---|---|---|---|---|---|
| Bluetooth version | 4.0 | 4.1 | 4.1 | 4.0 | 4.1 |
| Charging connection | microUSB | Proprietary USB Cable | N/A | N/A | Wireless |
| GPS | yes | N/A | N/A | N/A | N/A |
| Wi-Fi | N/A | yes | N/A | no | yes |
| USB | N/A | yes | N/A | yes | yes |
| Built-in navigation system | N/A | N/A | yes | N/A | no |
| 4G (LTE) | N/A | N/A | N/A | no | yes |
| NFC | N/A | N/A | N/A | no | yes |
| Infrared (IR) | N/A | N/A | N/A | yes | N/A |
| 3G (UMTS) | N/A | N/A | N/A | N/A | no |
| Wireless networking standard | N/A | N/A | N/A | N/A |
|
| Headphone connection | N/A | N/A | N/A | N/A | Bluetooth |
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