Chip: Apple S10 SiP with 64‑bit dual‑core processor, 4‑core Neural Engine
Operating System: watchOS 26
Display: Retina LTPO OLED, Always‑On, up to 1000 nits brightness
Case Sizes: 40 mm (324 × 394 pixels, 759 sq mm) / 44 mm (368 × 448 pixels, 977 sq mm)
Materials: Aluminum case, Ion‑X strengthened glass
Colors: Starlight, Midnight
Dimensions: 40 mm – 40 × 34 × 10.7 mm, 26.3 g (GPS), 26.4 g (GPS + Cellular); 44 mm – 44 × 38 × 10.7 mm, 32.9 g (GPS), 33.0 g (GPS + Cellular)
Sensors: Second‑generation optical heart sensor, temperature sensor, compass, always‑on altimeter, high‑g accelerometer, gyroscope, ambient light sensor
Health Features: Heart rate 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
