| Introduction Time | 2017, September | 2019, February |
|---|---|---|
| Availability Status | Available. Released September 2017 | Available. Released February 2019 |
| Size and Dimensions | 38.6 x 33.3 x 11.4 mm | 37 * 16 millimeter (mm) |
|---|---|---|
| Product Weight | 42.4 gram (g) | - |
| Compatible SIM Card Types | Electronic SIM card (Apple eSIM) | No |
|---|---|---|
| Other Body Features | Waterproof up to 50 meters / Ceramic back, stainless steel frame | Aluminum body / Elastomer band |
| Display Technology | OLED monochrome | |
|---|---|---|
| Screen Size | 1.5 inch (~55.4% screen-to-body ratio) | 1.4 inch |
| Display Resolution | - | |
| Multi-Touch Capability | Yes | Yes |
| Screen protector type | Sapphire protective glass | - |
| Display Technical Details | Display with 3D Touch / 1000 nits display brightness | Rectangular display |
| OS Version | ||
|---|---|---|
| Chip Model | - |
| CPU | Dual-core | - |
|---|---|---|
| GPU Model | - |
| Internal Memory Capacity | 16GB, 768MB RAM |
|---|
| Alert Type | Vibrate; Ringtones | - |
|---|---|---|
| Speaker Type | Yes | No |
| Battery Type and Capacity | Non-removable 279 mAh Li-Ion battery (1.07 Wh) | Lithium Polymer battery |
|---|---|---|
| Battery Standby Time | - | 5 day |
| Smart Sensors | Accelerometer, Gyroscope, Heart rate sensor, Barometer | Accelerometer, Gyroscope |
|---|---|---|
| Messaging Method | SMS, Email, IM | - |
| Other Features and Capabilities | MP3 player / Photo viewer / Siri voice commands (talking mode) / Supports wireless charging | Incoming call and SMS notifications, View incoming calls, Step counting, Distance traveled calculation, Calories burned calculation, Monitoring various sport activities including running, cycling and aerobic exercises, Sleep monitoring, Sedentary reminder |
| Communication Technologies | No |
|---|
| Wireless Network Type | No | |
|---|---|---|
| Bluetooth Support | Yes, Version 4.0 | |
| GPS Support | Yes, with A-GPS, GLONASS | No |
| NFC Support | Yes | No |
| USB Connections Type | No | Has proprietary charging cable |
| Available Color Options | Black, Silver | - |
|---|---|---|
| Global Price Range | - |
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