| Availability Status | Available, released to market | Available. Released July 2015 |
|---|---|---|
| Introduction Time | - | 2014, September |
| Size and Dimensions | 46 x 46 x 15 mm | 38.6 x 33.3 x 10.5 mm |
|---|---|---|
| Product Weight | - | 55g body weight |
| Compatible SIM Card Types | No | No |
|---|---|---|
| Other Body Features | Circular aluminum body / Silicone band / IP68 certified for water and dust resistance (up to 1.5 meters for 30 minutes) | IPX7 certified / Water resistant up to 1 meter for 30 minutes / 18-karat gold (gold and rose gold versions), ceramic |
| Display Technical Details | Display with curved edges (2.5D) | Display with 3D Touch / 450 nits display brightness |
|---|---|---|
| Display Technology | - | |
| Screen Size | - | 1.5 inch (~55.1% screen-to-body ratio) |
| Display Resolution | - | |
| Multi-Touch Capability | - | Yes |
| Screen protector type | - | Sapphire protective glass |
| OS Version | Proprietary OS compatible with Android and iOS | watchOS 1.0, upgradable to 4.0 |
|---|---|---|
| Chip Model | - |
| Internal Memory Capacity | 8GB, 512MB RAM |
|---|
| Alert Type | Vibrate | Vibrate; Ringtones |
|---|---|---|
| Speaker Type | Yes | Yes |
| Battery Type and Capacity | Full charge in 2.5 hours | Non-removable 205 mAh Li-Ion battery (0.78 Wh) |
|---|---|---|
| Battery Standby Time | Up to 18 hours (combined usage) |
| Smart Sensors | Heart rate sensor, Electrocardiogram, Gyroscope sensor | Accelerometer, Gyroscope, Heart rate sensor |
|---|---|---|
| Messaging Method | Received notification announcement / Display received messages | SMS, Email, IM |
| Other Features and Capabilities | Heart rate monitoring, Sleep monitoring, Pedometer, Sedentary reminder, Music control, Has microphone, Phone and calendar notification display, Timer, Alarm clock, Interchangeable band, Calculator | MP3 player / Photo viewer / Siri voice commands |
| Communication Technologies | No cellular connectivity | No cellular connectivity |
|---|
| Wireless Network Type | No | |
|---|---|---|
| Bluetooth Support | Yes, Version 5.2 | |
| GPS Support | No | No |
| NFC Support | No | Yes |
| USB Connections Type | No, charges with proprietary magnetic charger | No |
| Available Color Options | Black | |
|---|---|---|
| Global Price Range | - |
| CPU | - | |
|---|---|---|
| GPU Model | - |
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