  |  |  |  |  |
| Case diameter | 1.69 in | 1.45 in | 1.69 in | 1.97 in | 1.97 in |
|---|---|---|---|---|---|
| Case height | 1.69 in | 2.23 in | 1.76 in | N/A | N/A |
| Case thickness | 0.51 in | 0.44 in | 0.46 in | 0.71 in | 0.59 in |
| Watch case material | Stainless steel | Stainless steel |
| Polyamide | Polyamide |
| Wrist band material | Steel | Rubber | Silicone | Elastomer | Silicone |
| Colour of bracelet | Silver | N/A |
| N/A | N/A |
| Water resistance | no | N/A | N/A | yes | yes |
| Weight | N/A | 2.6 oz | 2.36 oz | 3.14 oz | 2.82 oz |
| IP code (level of dust/water resistance) | N/A | N/A | IP68 | N/A | N/A |
| Replaceable wrist bands | N/A | N/A | N/A | yes | yes |
| Anti scratch lens | N/A | N/A | N/A | yes | yes |
| Fully waterproof | N/A | N/A | N/A | yes | yes |
| Bluetooth | yes | yes | yes | yes | yes |
|---|---|---|---|---|---|
| Bluetooth version | 4.1 | 4.0 | 4.2 | 4.0 | 4.0 |
| 3G (UMTS) | N/A | no | N/A | N/A | N/A |
| 4G (LTE) | N/A | no | yes | N/A | N/A |
| Wi-Fi | N/A | no | yes | N/A | N/A |
| NFC | N/A | yes | yes | N/A | N/A |
| USB | N/A | yes | yes | N/A | N/A |
| Built-in navigation system | N/A | no | yes | N/A | N/A |
| Charging connection | N/A | N/A | N/A | Proprietary USB Cable | Proprietary USB Cable |
| GPS | N/A | N/A | N/A | yes | yes |
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