Is an iPhone 6 compatible with Apple Watch version 3
is an iPhone compatible with Apple Watch 3?
Question marked as
Watch Series 3 - Technical Specifications
https://support.apple.com/kb/SP766?viewlocale=en_US
Apple Watch Series 3 (GPS + Cellular) requires an iPhone 6 or later with iOS 11 or later. Apple Watch Series 3 (GPS) requires an iPhone 5s or later with iOS 11 or later. Apple Watch Series 1 requires an iPhone 5s or later with iOS 11 or later.