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. Built-in cellular¹ lets you use Walkie-Talkie, make phone calls, and send messages. Stream Apple Music² and Apple Podcasts. And 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.
Improved accelerometer and gyroscope for fall detection
Aluminum or stainless steel case
Apple Watch Series 4 (GPS + Cellular) requires an iPhone 6 or later with iOS 12 or later
¹ Wireless service plan required for cellular service. Apple Watch and iPhone service provider must be the same. Not all service providers support enterprise accounts; check with your employer and service provider.
Roaming is not available outside your carrier network coverage area. Contact your service provider for more details.
² Apple Music requires a subscription.
³ Compared with the previous generation.
⁴ ISO standard 22810:2010. Appropriate for shallow-water activities such as swimming. Submersion below shallow depth and high-velocity water activities not recommended.
Stainless Steel Case
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 + Cellular) 40mm Stainless Steel Case with White Sport Band
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 88/100 = Very good quality.
CNETRating, 4.1 out of 54.1Scott Stein on January 2, 2019
Apple Watch Series 4 review: ECG, and a lot of refinements
The Apple Watch is bigger-screened, faster, and makes some key health upgrades.Full Review
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
The VergeRating, 4.3 out of 54.3Dieter Bohn on September 19, 2018
Apple Watch 4 review: the best gets better
Better screen, better health features, and better speed.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
Apple Watch Series 4 review: A bigger, better watchOS experience
A $399 starting price is a lot to ask, but Apple added a lot to this Watch.Full Review
PCMagRating, 4 out of 54.0Victoria Song on September 26, 2018
Apple Watch Series 4
The Apple Watch Series 4 delivers a category-leading smartwatch experience with more advanced apps and health features than the competition.Full Review
MashableRating, 5 out of 55.0Raymond Wong on October 10, 2019
Apple Watch Series 4: Sidekick no more
pple boasted about notifications, texting and calling, animated emoji (not to be confused with Animoji), sharing digital heartbeats (weird!), fitness tracking, and insisted apps, much like on iOS, would become the heart of the smartwatch.Full Review