Apple - Geek Squad Certified Refurbished Watch Series 4 (GPS) 40mm Space Gray Aluminum Case with Black Sport Band - Space Gray - (2018)

Geek Squad Certified Refurbished products are thoroughly, painstakingly and lovingly tested, so you can be sure that your device will work right, right away. Learn more about Geek Squad Certified Refurbished products.Fundamentally redesigned and reengineered. Large Apple Watch display. Built-in electrical heart sensor. New Digital Crown with haptic feedback. Low and high heart rate notifications. Fall detection and Emergency SOS. New Breathe watch faces. Automatic workout detection. New yoga and hiking workouts. Advanced features for runners such as cadence and pace alerts. New head-to-head competitions. Activity sharing with friends. Personalized coaching. Monthly challenges and achievement awards. Use Siri in all-new ways - even while you're away from your phone. With Apple Watch Series 4, you can do it all with just your watch.