Description
| Resolution | 514 x 422 pixels (~326 ppi density) |
| Screen Size | 1.98 inches |
| Display Type | Retina LTPO3 OLED, 3000 nits (peak) |
| OS | watchOS 26 |
| Chipset | Apple S10 |
| CPU | Dual-core ( 4-core Neural Engine ) |
| Storage | 64GB |
| Sensor | Electrical heart sensor, Third-generation optical heart sensor, Blood oxygen sensor1 |
| Temperature sensor2, Depth gauge, Water temperature sensor, Compass, Always-on altimeter | |
| High-g accelerometer, High dynamic range gyroscope, Ambient light sensor | |
| Health and | Blood Oxygen app1, ECG app3 ,Cycle Tracking app with retrospective ovulation estimates4 |
| Wellness | Heart Rate app,High and low heart rate notifications, Irregular rhythm notifications5 |
| Medications app, Mindfulness app with state of mind tracking, Noise app, Sleep app including sleep stages | |
| Sleep score, Sleep apnea notifications6, Hypertension notifications7 | |
| Charging | Fast-charge capable(0–80% in about 45 minutes |
