| Case Material & Size |
49 mm Black Titanium; 49 × 44 × 14.4 mm |
| Weight |
61.8 g |
| Display |
LTPO OLED Always‑On Retina, 410 × 502 px, 3000 nits, sapphire crystal |
| Chip & Storage |
S9 SiP dual-core + Neural Engine; 64 GB storage |
| Battery Life |
Up to 36 hrs standard; 72 hrs Low Power Mode; fast charging 0–80% in ~1 hr |
| Sensors |
ECG, optical heart, SpO₂, temperature, compass, altimeter, accelerometer, gyro, depth gauge, water-temp |
| Health & Safety |
ECG app, HR alerts, sleep tracking, sleep-apnea alerts, fall/crash detection, Emergency SOS, 86 dB siren |
| Durability |
100 m water resistance; EN 13319 scuba to 40 m; IP6X dust resistant; MIL‑STD 810H |
| Connectivity |
GPS (L1+L5), Cellular, Bluetooth 5.3, Wi‑Fi, UWB, Apple Pay |
| Controls |
Digital Crown, customizable Action Button, double-tap gesture |
| Band |
Black Trail Loop—durable hook-and-loop fabric, adjustable, comfortable |
| OS Compatibility |
watchOS 11; requires iPhone XS or later with iOS 18+ |