Every model featured a black ceramic and sapphire crystal back for better cellular reception. 📉 The Legacy
While it no longer receives the latest watchOS updates, the Series 4 is credited with saving the product line. By prioritizing and screen real estate , Apple moved away from being a "mini-phone" on the wrist and toward being a life-saving tool. Series 4
Automatically calls emergency services if you are unresponsive after a fall. Every model featured a black ceramic and sapphire
40mm and 44mm sizes replaced the original 38/42mm. Series 4
Do you need a for an existing Series 4?