  |  |  | |
| Editiorial reviews | |||
| User rating |
| Touchscreen | yes | N/A | N/A |
|---|---|---|---|
| Display technology | OLED | OLED | N/A |
| Screen resolution | 448 x 368 px | 128 x 128 px | 320 x 320 px |
| Type of screen | Colour screen | N/A | N/A |
| Screen size | N/A | 1.3 in | 1.6 in |
| Multi touch | N/A | yes | N/A |
| Accelerometer | yes | yes | yes |
|---|---|---|---|
| Altimeter | yes | N/A | N/A |
| Barometer | yes | N/A | N/A |
| Heart rate monitor | yes | N/A | N/A |
| Compass | yes | N/A | yes |
| Gyroscope | yes | N/A | yes |
| Ambient Light Sensor | N/A | N/A | yes |
| Case diameter | 1.61 in | 1.97 in | 1.97 in |
|---|---|---|---|
| Case colour |
| N/A | N/A |
| Weight | 1.37 oz | 1.45 oz | 1.59 oz |
| Watch case material | Aluminum | Aluminum | Stainless steel |
| Water resistance | yes | yes | yes |
| IP code (level of dust/water resistance) | IP6X | N/A | N/A |
| Case thickness | N/A | 0.31 in | 0.39 in |
| Wrist band width | N/A | 0.79 in | N/A |
| Replaceable wrist bands | N/A | yes | yes |
| Wrist band material | N/A |
|
|
| Anti scratch lens | N/A | N/A | yes |
| Fully waterproof | N/A | N/A | yes |
| Dust resistant | N/A | N/A | yes |
| Operating system | Apple Watch OS | Android 4.0+ |
|
|---|---|---|---|
| Smartphone remote features | N/A |
|
|
| 2G | yes | N/A | N/A |
|---|---|---|---|
| 3G (UMTS) | yes | N/A | N/A |
| 4G (LTE) | yes | N/A | N/A |
| Bluetooth | yes | yes | yes |
| Bluetooth version | 5.0 | 3.0 | 4.0 |
| Wi-Fi | yes | N/A | yes |
| Wireless networking standard |
| N/A | N/A |
| NFC | yes | N/A | yes |
| USB | no | N/A | N/A |
| GPS | yes | yes | yes |
| GLONASS | yes | N/A | N/A |
| Charging connection | N/A | Proprietary USB Cable | microUSB |
| Headphone connection | N/A | N/A | Bluetooth |
| Wireless charging | no | N/A | N/A |
|---|---|---|---|
| Solar charging | no | N/A | N/A |
| Battery technology | Li-Ion | N/A | Li-polymer |
| Average battery life (standby) | 18.0 h | 72.0 h | 48.0 h |
| Battery capacity | N/A | N/A | 420.0 mAh |
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