| Introduction Time | 2016, September | 2015, July |
|---|---|---|
| Availability Status | Available. Released December 2016 | Available. Released October 2015 |
| Size and Dimensions | 38.6 x 33.3 x 10.5 mm | 42 x 42 x 11.5 mm |
|---|---|---|
| Product Weight | 25g body weight | 49 gram (g) |
| Compatible SIM Card Types | No | No |
|---|---|---|
| Other Body Features | IPX7 certified / Water resistant up to 1 meter for 30 minutes / Aluminum and composite | IP67 certified / Water resistant up to 1 meter for 30 minutes / Stainless steel |
| Display Technology | ||
|---|---|---|
| Screen Size | 1.5 inch (~55.1% screen-to-body ratio) | 1.4 inch (~35.8% screen-to-body ratio) |
| Display Resolution | ||
| Multi-Touch Capability | Yes | Yes |
| Screen protector type | Ion-X glass coating | Corning Gorilla Glass 3, Sapphire coating |
| Display Technical Details | Display with 3D Touch / 450 nits display brightness | - |
| OS Version | watchOS 3.0, upgradable to 4.0 | |
|---|---|---|
| Chip Model |
| CPU | Dual-core 520 MHz Cortex-A7 cores |
|---|
| Internal Memory Capacity | 8GB, 512MB RAM | 4GB, 512MB RAM |
|---|
| Alert Type | Vibrate; Ringtones | MP3, WAV, Vibrate, Ringtones |
|---|---|---|
| Speaker Type | Yes | Yes |
| Battery Type and Capacity | Non-removable 205 mAh Li-Ion battery (0.78 Wh) | Non-removable 300 mAh Li-Ion battery |
|---|---|---|
| Battery Standby Time | Up to 18 hours (combined usage) | Up to 24 hours (combined usage) |
| Smart Sensors | Accelerometer, Gyroscope, Heart rate sensor | Accelerometer, Gyroscope, Compass, Heart rate sensor, Barometer |
|---|---|---|
| Messaging Method | SMS, Email, IM | SMS, Email, IM |
| Other Features and Capabilities | MP3 player / Photo viewer / Siri voice commands | MP3 player / Photo viewer / Voice command and calling |
| Communication Technologies | No cellular connectivity | No cellular connectivity |
|---|
| Wireless Network Type | No | |
|---|---|---|
| Bluetooth Support | ||
| GPS Support | No | Yes |
| NFC Support | Yes | - |
| USB Connections Type | No | No |
| Available Color Options | Black / Rose Gold, Gold / Silver | |
|---|---|---|
| Global Price Range | - |
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