Apple Watch Series 3 GPS Smartwatch (Space Grey Strap, 38mm)

S3 Dual Core ProcessorYesBarometric Altimeter, Heart Rate Sensor, Accelerometer, Gyroscope, Ambient Light Sensor, Built-In Gps And Glonass312 x 390 PixelsOLED RetinaUpto 18 hoursGrey42mmIphone 5, 5C, 5S, Se, 6, 6 Plus, 6S, 6S Plus, 7 , 7 Plus, 8, 8 Plus, X And Ios 10 Or Later