Apple Watch Series 9, GPS + Cellular 45mm Starlight Aluminium Case with Starlight Sport Loop

41mm / 45mm, Retina LTPO OLED, 2000 nits (peak)

Ion-X glass display on aluminum cases , Sapphire crystal display on stainless steel cases , Always-on display

Chipset: Apple S9 with 64-bit dual-core processor

Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body)

Temperature sensing (0.01 accuracy)
Natural language commands and dictation (talking mode)
Ultra Wideband 2 (UWB) support