Apple Watch Series 5 requires an iPhone 6s or later with iOS 13 or later.
30 per cent larger screen compared with Apple Watch Series 3.
1ISO standard 22810:2010. Appropriate for shallow-water activities like swimming. Submersion below a shallow depth and high-velocity water activities are not recommended.
2To use Emergency SOS, your iPhone needs to be nearby. If your iPhone isn't nearby, your Apple Watch needs to be connected to a known Wi-Fi network and you must set up Wi-Fi calling.