Apple Watch Series 4 Aluminum Full Specifications

network
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  • Technology GSM / HSPA / LTE
  • 2G bands GSM 850 / 900 / 1800 / 1900
  • 3G bands HSDPA 850 / 900 / 2100 / 800 - Europe, Australia
  • 1, 3, 39, 40, 41 - China
  • 4G bands 1, 3, 5, 7, 8, 18, 19, 20, 26 - Europe, Australia
  • Speed HSPA, LTE
launch
  • Announced 2018, September
  • Status Available. Released 2018, September
body
  • Dimensions 44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)
  • Weight 36.7 g (1.31 oz)
  • Build Glass front, ceramic/sapphire crystal back, aluminum frame
  • SIM eSIM
  • 50m water resistant ECG certified (region dependent SW application; HW available on all models)
display
  • Type LTPO OLED capacitive touchscreen, 16M colors
  • Size 1.78 inches, 10.0 cm2 (~60.0% screen-to-body ratio)
  • Resolution 448 x 368 pixels (~326 ppi density)
  • Protection Ion-X strengthened glass
  • 3D Touch display 1000 nits max brightness (advertised)
platform
  • OS watchOS 5.0, upgradable to 6.2
  • Chipset Apple S4
  • CPU Dual-core
  • GPU PowerVR
memory
  • Card slot No
  • Internal 16GB
camera
  • No
sound
  • Loudspeaker Yes
  • 3.5mm jack No
comms
  • WLAN Wi-Fi 802.11 b/g/n
  • Bluetooth 5.0, A2DP, LE
  • GPS Yes, with A-GPS, GLONASS, GALILEO, QZSS
  • NFC Yes
  • Radio No
  • USB No
features
  • Sensors Accelerometer, gyro, heart rate (2nd gen), barometer
  • Natural language commands and dictation (talking mode)
battery
  • Non-removable Li-Ion 292 mAh battery (1.12 Wh)
  • Charging Wireless charging
  • Stand-by Up to 18 h (mixed usage)
misc
  • Colors Silver, Gold, Space Gray
  • Models A1975, A1976, A2007, A2008, A1977, A1978