Chip: Apple S10 SiP with dual‑core processor, 4‑core Neural Engine
Operating System: watchOS 26
Display: Retina LTPO OLED, Always‑On, up to 2000 nits brightness
Case Sizes: 42 mm (374 × 446 pixels, 989 sq mm) / 46 mm (416 × 496 pixels, 1220 sq mm)
Materials: Aluminum (Rose Gold, Silver, Space Gray, Jet Black), Titanium (Gold, Natural, Slate)
Dimensions: 42 mm – 42 × 36 × 9.7 mm, 29.7 g (aluminum GPS + Cellular), 34.6 g (titanium); 46 mm – 46 × 39 × 9.7 mm, 36.9 g (aluminum GPS + Cellular), 43.1 g (titanium)
Sensors: Electrical heart sensor, second‑generation optical heart sensor, blood oxygen sensor, temperature sensor, compass, always‑on altimeter, high‑g accelerometer, gyroscope, ambient light sensor
Health Features: Heart rate monitoring, blood oxygen monitoring, cycle tracking with temperature sensing, fall detection, crash detection, emergency SOS
Connectivity: GPS or GPS + Cellular, Wi‑Fi, Bluetooth 5.3, Siri with on‑device processing
Storage: 64 GB
Battery Life: Up to 18 hours
Charging: Fast charging supported
