A:AnswerThe $79 Apple Care is for Apple Watch Series 4 and later. The $49 Apple Care is for Apple Watch Series 3 & earlier. Apple raised the cost for Apple Care for series 4 & later due to the larger screen, ECG features, & longer wrist band sizing. https://appleinsider.com/articles/18/09/13/apple-raises-applecare-pricing-for-apple-watch-series-4-to-79-introduces-monthly-payments