| Introduction Time | 2015, September | 2017, September |
|---|---|---|
| Availability Status | Available. Released September 2015 | Available. Released September 2017 |
| Size and Dimensions | 49.6 x 40.7 x 10.9 mm | 38.6 x 33.3 x 11.4 mm |
|---|---|---|
| Product Weight | - | 42.4 gram (g) |
| Compatible SIM Card Types | No | Electronic SIM card (Apple eSIM) |
|---|---|---|
| Other Body Features | IP67 certified / Water resistant up to 1 meter for 30 minutes / Compatible with standard 22mm bands / Stainless steel | Waterproof up to 50 meters / Ceramic back, stainless steel frame |
| Display Technology | ||
|---|---|---|
| Screen Size | 1.63 inch (~42.5% screen-to-body ratio) | 1.5 inch (~55.4% screen-to-body ratio) |
| Display Resolution | ||
| Multi-Touch Capability | Yes | Yes |
| Screen protector type | Corning Gorilla Glass 3 | Sapphire protective glass |
| Display Technical Details | - | Display with 3D Touch / 1000 nits display brightness |
| OS Version | Android Wear, upgradable to version 2.0 | |
|---|---|---|
| Chip Model |
| CPU | Dual-core | |
|---|---|---|
| GPU Model | - |
| Internal Memory Capacity | 4GB, 512MB RAM | 16GB, 768MB RAM |
|---|
| Alert Type | MP3, WAV, Vibrate, Ringtones | Vibrate; Ringtones |
|---|---|---|
| Speaker Type | Yes | Yes |
| Battery Type and Capacity | Non-removable 400 mAh Li-Ion battery | Non-removable 279 mAh Li-Ion battery (1.07 Wh) |
|---|---|---|
| Battery Standby Time | Up to 48 hours (combined usage) | - |
| Messaging Method | SMS, Email, IM | SMS, Email, IM |
|---|---|---|
| Other Features and Capabilities | MP3 player / Voice command and calling | MP3 player / Photo viewer / Siri voice commands (talking mode) / Supports wireless charging |
| Smart Sensors | - | Accelerometer, Gyroscope, Heart rate sensor, Barometer |
| Communication Technologies | No cellular connectivity |
|---|
| Wireless Network Type | ||
|---|---|---|
| Bluetooth Support | ||
| GPS Support | No | Yes, with A-GPS, GLONASS |
| USB Connections Type | No | No |
| NFC Support | - | Yes |
| Available Color Options | Gray, Silver, Rose Gold | Black, Silver |
|---|---|---|
| Global Price Range |
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