Guest shoppers get 15 days to return or exchange this item. Log in for personalized information.Learn more >
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 Fundamentally redesigned and reengineered. The largest Apple Watch display yet. 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. You can use Walkie-Talkie, make phone calls, and send messages. Listen to Apple Music¹ and Apple Podcasts. And use Siri in all-new ways. Apple Watch Series 4 lets you do it all right from your wrist.
Over 30% larger display²
Electrical and optical heart sensors
Digital Crown with haptic feedback
50% louder speaker²
S4 SiP with faster 64-bit dual-core processor
Improved accelerometer and gyroscope for fall detection
Apple Watch Series 4 (GPS) requires an iPhone 5s or later with iOS 12 or later
¹ Apple Music requires a subscription.
² Compared with the previous generation.
³ ISO standard 22810:2010. Appropriate for shallow-water activities such as swimming. Submersion below shallow depth and high-velocity water activities not recommended.
Space Gray Aluminum Case
Black Sport Loop
1m Magnetic Charging Cable
5W USB Power Adapter
Voice Assistant Built-in
Operating System Compatibility
Internal Memory Capacity
Cadence, Electrocardiography, Heart rate
Maximum Depth of Water Resistance
Geek Squad Certified Refurbished Apple Watch Series 4 (GPS) 44mm Space Gray Aluminum Case with Black Sport Loop
The analysis of all aggregated expert reviews shows that the reviewers are positive about image quality, comfort, performance and design. Editors are less positive about reliability and have mixed opinions about apps. Using an algorithm based on product age, reviewers ratings history, popularity, product category expertise and other factors, this product gets an alaTest Expert Rating of 92/100 = Excellent quality.
TechRadarRating, 4.5 out of 54.5Gareth Beavis on October 6, 2020
Apple Watch 4 review
Apple's fourth-generation smartwatch is still an impressive wearable, even if it's not the latest Apple Watch.Full Review
Tom's GuideRating, 4 out of 54.0Caitlin McGarry on August 10, 2020
Apple Watch Series 4 Review: The Best Smartwatch, Now Even Better
Apple made the best smartwatch even better with sophisticated health sensors and a beautiful screen.Full Review
Using Apple Watch Series 4 with an older iPhone? There's a software update for you
Apple today has released watchOS 5.3.2 for the Apple Watch Series 4. This update is for people who don't have an iPhone that is capable of running iOS 13, and therefore can't update to watchOS 6. expand full storyFull Review
Apple Watch Series 4, band variety, and the history of gold
Apple Watch has a curvy history with the color gold and accompanying straps. The original 18K gold Apple Watch Edition paired with a range of straps before being discontinued. Aluminum models have included three shades of gold (rose gold, gold,Full Review