Apple Watch Series 3 (GPS + Cellular, 38mm)

Take a call when you’re out on the water. Ask Siri to send a message. Stream your favorite songs on your run (1). And do it all while leaving your phone behind. Now you have the freedom to go with just your watch.
Cellular keeps you connected with just your watch (2)
GPS and a barometric altimeter track how far and high you go
Dual-core processor for faster app performance (3)
Ultimate sports watch and intelligent activity tracker
Swimproof so you're always ready for the pool or ocean (4)
watchOS 4 is even more intuitive and intelligent