Apple Watch Series 9 GPS smartwatch featuring a 45mm midnight aluminum case with midnight sport band (M/L size fitting 140-245mm wrists). The watch is powered by the S9 chip with 64-bit dual-core processor and 4-core Neural Engine, delivering exceptional performance and up to 18 hours of battery life with fast charging capability (80% charge in about 45 minutes).

The Always-On Retina LTPO OLED display features edge-to-edge design with Ion-X front glass, up to 2000 nits maximum brightness, and can dim to just 1 nit in low-light situations for optimal visibility in any environment. The 396x484 pixel display provides crisp, clear visuals at all times.

Comprehensive health monitoring includes electrical heart sensor with ECG app capability, third-generation optical heart sensor for continuous heart rate tracking, blood oxygen monitoring, temperature sensing, high and low heart rate notifications, irregular rhythm notifications, and sleep tracking with sleep stages analysis. The watch also tracks menstrual cycles with retrospective ovulation estimates and supports mindfulness tracking for emotional awareness.

Advanced fitness features include the Workout app with custom interval workouts, customizable workout views, automatic track detection, stride length and ground contact time measurements, and support for pool swimming, open water swimming, cycling, and functional strength training. Includes three months of Apple Fitness+ free. GPS capabilities include L1 GPS, GNSS, Galileo, and BeiDou positioning with automatic waypoint generation.

The watch includes double tap gesture functionality, Digital Crown with haptic feedback, Siri with on-device processing, second-generation Ultra Wideband chip, Wi-Fi 4 (802.11n), and Bluetooth 5.3 connectivity. Safety features include Fall Detection, Crash Detection, Emergency SOS, and international emergency calling. The device is water resistant to 50 meters (swimproof) and IP6X dust resistant, weighing just 38.7 grams.

Carbon neutral environmental design features 100% recycled aluminum case, 100% recycled cobalt battery, 100% recycled rare earth elements in magnets, and fiber-based packaging. Requires iPhone XS or later with iOS 17 or later. Includes Apple Watch Magnetic Fast Charger to USB-C Cable (1m). Released September 22, 2023. Note: Blood oxygen measurement is not available on units sold in the United States beginning January 18, 2024 (part numbers ending in LW/A).