  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Heart rate monitor | yes | yes | yes | yes |
|---|---|---|---|---|
| Accelerometer | N/A | yes | N/A | yes |
| Altimeter | N/A | yes | N/A | N/A |
| Compass | N/A | yes | N/A | N/A |
| Pedometer | N/A | yes | yes | N/A |
| Auto adjust to smartphone time | N/A | N/A | yes | N/A |
| Built-in camera | N/A | N/A | N/A | no |
| Microphone | N/A | N/A | N/A | yes |
| Gyroscope | N/A | N/A | N/A | yes |
| Case diameter | 1.81 in | N/A | 1.81 in | 1.49 in |
|---|---|---|---|---|
| Replaceable wrist bands | yes | yes | yes | N/A |
| Watch case material | Rugged | Titanium | Stainless steel |
|
| Wrist band material | Leather |
| N/A | Rubber |
| Water resistance | yes | yes | yes | yes |
| Fully waterproof | yes | yes | yes | N/A |
| Weight | N/A | 3.95 oz | 1.73 oz | 1.94 oz |
| Anti scratch lens | N/A | yes | yes | N/A |
| Case thickness | N/A | N/A | 0.43 in | 0.39 in |
| Case height | N/A | N/A | N/A | 2.31 in |
| Colour of bracelet | N/A | N/A | N/A |
|
| IP code (level of dust/water resistance) | N/A | N/A | N/A | IP67 |
| Average battery life (standby) | 24.0 h | 24.0 h | 24.0 h | 144.0 h |
|---|---|---|---|---|
| Battery technology | N/A | Li-Ion | N/A | Li-Ion |
| Battery capacity | N/A | 180.0 mAh | 320.0 mAh | 300.0 mAh |
| Battery life (running) | N/A | N/A | N/A | 48.0 h |
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