The Apple Watch Series 3 is the third-generation model of the Apple Watch with dual core S3 processor and WatchOS4. Apple Watch connects to your iPhone via Bluetooth 4.2 and displays notifications, apps, and more on its 1.3″ display. It can also connect directly to the Internet thanks to 802.11b/g/n Wi-Fi. The internal battery lasts for up to 18 hours of normal use and is recharged with an included inductive magnetic charger.
Series 3, built in GPS with Dual core S3 processor and Watchos4
Water resistant up to 50M – can be used for shallow-water activities like swimming in a pool or ocean
Heart rate sensor, altimeter, Accelerometer, and gyroscope, direct Fire speaker and microphone
does NOT have LTE. GPS only model