This refurbished Apple Watch Series 4 smart watch comes in a refurbished condition, with a grade of Good. All of our reconditioned Watch Series 4 smart watches come with a free limited 12-month warranty, a 14-day money back guarantee, flexible payment options with Klarna and free tracked shipping on all orders. Each of our used Watch Series 4 smart watches pass up to 70 tests and checks through our extensive in-house refurbishment process, to ensure the second hand Apple Watch Series 4 you buy is of the highest quality - for a fraction of its original price. Apple Watch Series 4 GPS + Cellular Black Stainless St 40MM Black Sport Band, Black Sport Band, Good condition. Shop our range of certified refurbished Apple Watch Series 4 - All new. For a better you.Introducing Apple Watch Series 4. Fundamentally redesigned and re-engineered to help you stay even more active, healthy, and connected.All-New Design Not just evolved, transformed.The largest Apple Watch display yet. New electrical heart sensor. Re-engineered Digital Crown with haptic feedback. Entirely familiar, yet completely new, Apple Watch Series 4 resets the standard for what a watch can be.Proactive Health Monitor Part guardian, part guru.ECG on your wrist. Low and high heart rate notifications. Fall detection and Emergency SOS. New Breathe watch faces. It's designed to improve your health every day and powerful enough to help protect it.Ultimate Workout Partner Workouts that work harder.Automatic workout detection. New yoga and hiking workouts. Advanced features for runners like cadence and pace alerts. See up to five metrics at a glance as you precisely track all your favorite ways to train.Comprehensive Activity Tracker Made to motivate.New head-to-head competitions. Activity sharing with friends. Personalized coaching. Monthly challenges. Achievement awards. Get all the motivation you need to close your Activity rings every day.