GPS * Version: Series 8 * Model Number: A2771 * Size: 45 mm * Type: GPS * Display: Always-On Retina OLED display * Internal Memory: 32 GB * Processor: S8 Features: * Heart rate measurement and heart rate monitoring. * ECG. * Blood oxygen measurement, if available in the region. * Fall and accident detection. * Tracking of sports activity, calories, and steps. * Sleep and daily activity tracking. * Water resistant up to 50 meters. * Receiving notifications and calls when connected Connectivity: GPS Condition: Used Color: Black Case Size: 45mm Series: Apple Watch Series 8