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
Swimproof⁴
watchOS 5
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.
| Manufacturer | Apple |
|---|---|
| Operating System | watchOS 5.0, upgradable to 6.1.1 |
| Screen size | 1.78 inches |
| Processor | Dual-core |
| 3G | Yes |
| 4G | Yes |
| Battery Capacity | Non-removable Li-Ion battery |
| Charging | Wireless charging |
| Product Warranty | 1 Year Warranty |
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