| Display | Always-On Retina LTPO OLED, up to 2000 nits maximum, 1 nit minimum, 326 ppi; Ion-X glass (aluminum) or sapphire (stainless steel) | 1.5-inch AMOLED (48 mm) or 1.32-inch AMOLED (44 mm), sapphire glass, up to 3,000 nits peak brightness |
|---|
| Chipset | S9 SiP (64-bit dual-core, 4-core Neural Engine), second-generation Ultra Wideband | — |
|---|
| Storage | 64GB | — |
|---|
| Sizes | 41mm (31.9 g aluminum GPS) and 45mm (38.7 g aluminum GPS); 10.7 mm deep | — |
|---|
| Battery | Up to 18 hours of normal use; up to 36 hours in Low Power Mode; fast charging to 80% in about 45 minutes | Up to 25 days (48 mm), up to 17 days (44 mm) |
|---|
| Sensors | Third-generation optical heart sensor, electrical heart sensor (ECG app), temperature sensing, compass, always-on altimeter, high-g accelerometer, gyroscope, ambient light sensor | — |
|---|
| Connectivity | Wi-Fi 4, Bluetooth 5.3, GPS/GNSS (L1), optional LTE and UMTS | — |
|---|
| Durability | Water resistance 50 m (ISO 22810:2010), IP6X dust resistance | Operates down to -30 C |
|---|
| Controls | Digital Crown, side button, new double tap gesture, on-device Siri | — |
|---|
| OS | watchOS 10 | — |
|---|
| Body | — | Grade 5 titanium alloy bezel and buttons, military-grade design; 48 mm and 44 mm case sizes |
|---|
| Positioning | — | Dual-band GPS with six satellite systems; offline maps with turn-by-turn directions, rerouting, route creation and POI search; ski maps with resort, slope and lift data |
|---|
| Extras | — | Built-in two-color LED flashlight with Boost mode, red light and SOS flash; speaker and microphone for Bluetooth calls; Zepp Flow voice features |
|---|
| Sports | — | 180+ sports modes including trail running, recreational scuba diving, strength training with automatic rep detection and HYROX; BioCharge energy monitoring |
|---|
| Compatibility | — | Zepp App on Android and iOS, subscription-free; works with Helio Strap and Helio Ring |
|---|
| Colors | — | Tactical Black and Black Gold (48 mm); Arctic Gold and Black Gold (44 mm) |
|---|
