| Introduction Time | 2015, October | 2017, September |
|---|---|---|
| Availability Status | Available. Released March 2016 | Available. Released September 2017 |
| Size and Dimensions | 44.5 x 44.5 x 14.2 mm | 38.6 x 33.3 x 11.4 mm |
|---|---|---|
| Product Weight | 92.7 gram (g) | 42.4 gram (g) |
| Compatible SIM Card Types | Nano-SIM | Electronic SIM card (Apple eSIM) |
|---|---|---|
| Other Body Features | IP67 certified / Water resistant up to 1 meter for 30 minutes / Non-interchangeable band / Stainless steel | Waterproof up to 50 meters / Ceramic back, stainless steel frame |
| Display Technology | ||
|---|---|---|
| Screen Size | 1.38 inch (~62.0% 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, 768MB RAM | 16GB, 768MB RAM |
|---|
| Alert Type | MP3, WAV, Vibrate, Ringtones | Vibrate; Ringtones |
|---|---|---|
| Speaker Type | Yes | Yes |
| Battery Type and Capacity | Non-removable 570 mAh Li-Ion battery | Non-removable 279 mAh Li-Ion battery (1.07 Wh) |
|---|---|---|
| Battery Standby Time | Up to 60 hours (combined usage) | - |
| Smart Sensors | Accelerometer / Gyroscope / Proximity sensor / Heart rate monitor / Barometer | Accelerometer, Gyroscope, Heart rate sensor, Barometer |
|---|---|---|
| Messaging Method | SMS, Email, IM | SMS, Email, IM |
| Other Features and Capabilities | MP3 player / Photo viewer / - Voice command and calling | MP3 player / Photo viewer / Siri voice commands (talking mode) / Supports wireless charging |
| Communication Technologies |
|---|
| Wireless Network Type | ||
|---|---|---|
| Bluetooth Support | ||
| GPS Support | Yes, with A-GPS | Yes, with A-GPS, GLONASS |
| NFC Support | Yes | Yes |
| USB Connections Type | No | No |
| Available Color Options | Black, Blue, Brown | Black, Silver |
|---|---|---|
| Global Price Range |
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