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Apple Watch Series 4
The Apple Watch Series 4 was first introduced at Apple's "Gather round" keynote on 12 September 2018. Internally, the Apple Watch Series 4 is referred to as N131sAP (Watch4,1 - 40mm), N131bAP (Watch4,2 - 44mm), N141sAP (Watch4,3 - 40mm Cellular) or N141bAP (Watch4,4 - 44mm Cellular).
The Apple Watch Series 4 includes a GPS module and, on cellular models, an LTE chip.
Specifications
- Display: LTPO OLED Retina
- Screen: Ion-X glass or sapphire crystal
- Compatibility: iOS 12 or later running on an iPhone 5s or newer
