| Display | 1.4-inch always-on touchscreen memory LCD, 280 x 280, 64 colors, sapphire glass | Flat crystal, up to 3000 nits |
|---|
| Body | 50.3 x 50.3 x 16 mm; 87 g with silicone band, 70 g with nylon band; Grade 5 titanium alloy bezel with PVD coating; 26 mm quick-fit bands (nylon and silicone both included); 10 ATM water resistance (surface water activities, not diving) | — |
|---|
| Battery | Up to 36 days of daily use; up to 118 hours of full GPS; up to 73 hours in All Systems GPS mode; up to 43 hours in All Systems dual-frequency mode (up to 22 hours with offline music playing); under 2 hours to charge | Up to 36 hours; up to about 60 hours in low-power mode |
|---|
| Positioning | All-satellite dual-frequency GNSS chipset; GPS, GLONASS, Galileo, BeiDou, QZSS | — |
|---|
| Storage | 32 GB (about 1,200 hours of outdoor activity data, plus offline maps and music) | — |
|---|
| Sensors | Optical heart rate monitor, optical pulse oximeter, electrical heart rate sensor for HRV and wellness checks, barometric altimeter, accelerometer, gyroscope, 3D compass, thermometer | — |
|---|
| Navigation | Downloadable global offline maps (Landscape and Topo layers), turn-by-turn directions, checkpoints, Back-To-Start, deviation alert, touchscreen map control, safety alerts | — |
|---|
| Controls | Touchscreen, tactile buttons, a digital dial and a dedicated backlight button | — |
|---|
| Operating temperature | -30 to 50 C (-22 to 122 F) | — |
|---|
| Connectivity | Bluetooth, Wi-Fi and the COROS app for data sync and firmware updates; offline music playback with supported Bluetooth headsets | Cellular, dual-frequency GPS (L1 + L5) |
|---|
| Sports | Climbing, snow sports with auto ski-touring transition, ultra-running, mountaineering with storm alert and altitude mode, plus Effort Pace, EvoLab, training plans and Virtual Pacer | — |
|---|
| Case Size | — | 49mm titanium |
|---|
| Chipset | — | Apple S9 SiP, 2nd-gen Ultra Wideband |
|---|
| Health Sensors | — | Heart rate, water temperature, sleep apnea detection, blood oxygen (calculated on paired iPhone) |
|---|
| Water Resistance | — | WR100 / EN13319, recreational dives to 40 m |
|---|
| OS | — | watchOS 10 (at launch) |
|---|
