GPS + Cellular¹
Over 30% larger display³
Electrical and optical heart sensors
Digital Crown with haptic feedback
50% louder speaker³
S4 SiP with faster 64-bit dual-core processor
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.
¹Wireless 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.
²Apple Music requires a subscription.
³Compared with the previous generation.
⁴ISO standard 22810:2010. Appropriate for shallow-water activities like swimming. Submersion below shallow depth and high-velocity water activities not recommended.
|Operating System||watchOS 5.0, upgradable to 6.1.1|
|Screen size||1.78 inches|
|Battery Capacity||Non-removable Li-Ion battery|
|Product Warranty||1 Year Warranty|