Apple Watch Series 4 | Smartwatch specifications

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	48 g (1.69 oz)
	Build	Stainless Steel frame; all-ceramic/sapphire crystal back
	SIM	Electronic SIM card (eSIM)
		50m waterproof 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	Sapphire crystal glass
		3D Touch display 1000 nits

Platform	OS	watchOS 5.0, upgradable to 5.3
	Chipset	Apple S4
	CPU	Dual-core
	GPU	PowerVR

Memory	Card slot	No
	Internal	16 GB

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
		Audio player Photo viewer Siri natural language commands and dictation (talking mode)

Battery		Non-removable Li-Ion battery
	Stand-by	Up to 18 h (mixed usage)

Misc	Colors	Space Black, Silver, Gold
	Price	About 700 EUR