Apple Watch Series 4 (40mm) | Specifications

Apple Watch Series 4 launched in 2018. It is a significant advancement in Apple's smartwatch series, offering users an array of features and improved performance. It runs on watchOS 5.0, which can be upgraded to version 9.5. It powered by the Apple S4 chipset, the watch operates efficiently with its dual-core CPU and PowerVR GPU, ensuring smooth performance and seamless app experiences.

It has 16GB of internal memory and 1GB of RAM.

One of the notable additions to the Series 4 is the inclusion of cellular connectivity in certain models. The GPS + Cellular versions enable users to stay connected even when away from their iPhones, enhancing the watch's versatility and convenience.

Available in two sizes, 44mm and 40mm, users can choose the variant that best suits their wrist size and style preferences.

Apple Watch Series 4 (40mm) Specification:

Network	Technology	GSM / HSPA / LTE
	2G bands	GSM 850 / 900 / 1800 / 1900
	3G bands	HSDPA
	4G bands	LTE
	Speed	HSPA, LTE
	Launch	Announced	2018, September
		Status	Available. Released 2018, September
	Body	Dimensions	40 x 34 x 10.7 mm (1.57 x 1.34 x 0.42 in)
		Weight	40 g (1.41 oz)
		Build	Glass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frame
		SIM	eSIM
			50m water resistant ECG certified (region dependent SW application; HW available on all models)
		Display	Type	Retina LTPO OLED, 1000 nits (peak)
	Size		1.57 inches
	Resolution		394 x 324 pixels (~326 ppi density)
Protection	Sapphire crystal glass
	3D Touch display
Platform	OS	watchOS 5.0, upgradable to 9.5
	Chipset	Apple S4
	CPU	Dual-core
	GPU	PowerVR
Memory	Card slot	No
	Internal	16GB 1GB RAM
	Camera		No
		Sound	Loudspeaker	Yes
			3.5mm jack	No
Comms			WLAN	Wi-Fi 802.11 b/g/n
	Bluetooth	5.0, A2DP, LE
	Positioning	GPS, GLONASS, GALILEO, QZSS
	NFC	Yes
	Radio	No
	USB	No
	Features	Sensors	Accelerometer, gyro, heart rate, barometer
			Natural language commands and dictation (talking mode)
		Battery	Type	Li-Ion 225 mAh (0.86 Wh), non-removable
Charging			Wireless
Misc			Colors	Space Black, Silver, Gold
			Models	A1975, A1976, A2007, A2008

 Price: About USD 770