Apple Watch Series 9 GPS 41mm Midnight Aluminium Case with Midnight Sport Loop is a 2023 smartwatch with a 41 mm aluminum case and matching Midnight Sport Loop. It features an Always-On Retina LTPO OLED display with 396 x 484 resolution, a 1143 mm² active display area, and up to 2000 nits brightness. The watch is powered by the Apple S9 SiP with a 64-bit dual-core processor and 64 GB of internal storage.

It includes an electrical heart sensor, third-generation optical heart sensor, temperature sensor, compass, always-on altimeter, high-g accelerometer, high dynamic range gyroscope, and ambient light sensor. Supported functions include ECG app, sleep monitoring, fall detection, Crash Detection, Emergency SOS, international emergency calling, Double Tap, and Apple Pay.

Battery life is up to 18 hours, or up to 36 hours in Low Power Mode. Fast charging is supported, with up to 80% charge in about 45 minutes. With GPS connectivity and a 130–200 mm wrist fit range, this model is a practical choice for everyday use and fitness tracking.