| Introduction Time | 2017, September | June 13, 2024 |
|---|---|---|
| Availability Status | Available. Released September 2017 | Available, released June 24, 2024 |
| Size and Dimensions | 38.6 x 33.3 x 11.4 mm | 40.4 x 39.3 x 9.8 mm |
|---|---|---|
| Product Weight | 28.7 gram (g) | 26.6 gram (g) |
| Compatible SIM Card Types | Electronic SIM card (Apple eSIM) | Yes, eSIM |
|---|---|---|
| Other Body Features | Waterproof up to 50 meters / Ceramic back, aluminum frame | Aluminum frame / IP68 certified for water and dust resistance / Water resistant up to 50 meters deep / Compatible with MIL-STD-810H military standard for use in harsh conditions |
| Display Technology | ||
|---|---|---|
| Screen Size | 1.5 inch (~55.4% screen-to-body ratio) | 1.2 inch |
| Display Resolution | ||
| Multi-Touch Capability | Yes | - |
| Screen protector type | Ion-X glass coating | Sapphire glass |
| Display Technical Details | 3D Touch Display / 1000 nits display brightness |
| OS Version | Wear OS 4 compatible with Android 11.0 with 1.5GB RAM and later / One UI Watch 5 user interface | |
|---|---|---|
| Chip Model | Exynos W920 (5nm) |
| CPU | Dual-core | |
|---|---|---|
| GPU Model | - |
| Internal Memory Capacity | 16GB, 768MB RAM (unconfirmed) | 16GB internal storage with 1.5GB RAM |
|---|
| Alert Type | Vibrate; Ringtones | - |
|---|---|---|
| Speaker Type | Yes | Yes |
| Battery Type and Capacity | Non-removable 279 mAh Li-Ion battery (1.07 Wh) | Non-removable 247 mAh Li-Ion battery |
|---|---|---|
| Battery Standby Time | Up to 18 hours (combined usage) | - |
| Smart Sensors | Accelerometer, Gyroscope, Heart rate sensor, Barometer | Optical heart rate sensor with SpO2 (blood oxygen level calculation) capability, Accelerometer, Gyroscope, Compass, Air pressure sensor, Ambient light detection |
|---|---|---|
| Messaging Method | SMS, Email, IM | Received notification announcement / Display text messages |
| Other Features and Capabilities | MP3 player / Photo viewer / Siri voice commands (talking mode) / Supports wireless charging | - |
| Communication Technologies | GSM / HSPA / LTE (LTE version only) |
|---|
| Wireless Network Type | Wi-Fi 802.11 a/b/g/n, Dual-band | |
|---|---|---|
| Bluetooth Support | Yes, Version 5.3 A2DP, LE | |
| GPS Support | Yes, with A-GPS, GLONASS | |
| NFC Support | Yes | Yes |
| USB Connections Type | No | No, charges via wireless charging |
| Available Color Options | Silver, Gold, Gray | Black, Pink, Silver |
|---|---|---|
| Global Price Range |
| Equivalent Name | - |
|---|
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