A:Answerbecause the watch casing is made out of a high quality ceramic instead of the aluminum casing found on the base models. also the screen is made of sapphire glass versus the ion-X glass found on the base models as well as the iPhone.
A:AnswerThis is the Apple Series 3, which will give irregular heart rhythm notifications. The Apple Watch Series 4 has capabilities of performing an electrocardiogram test.
A:AnswerThe prices are the same as Apple. I'm assuming you're confused as to why there are different priced Apple watches? This is due to the watch being made out of more expensive materials, i.e. sapphire glass for the screen, ceramic casing, stainless steel casing, etc. The base model apple watch comes with aluminum casing and ion-x glass, the same glass on iPhone and iPad
