Apple Watch Series 4 Aluminum

Smart Watch
Apple	Samsung	Vivo
Oneplus	Oppo	Realme
Xiaomi	Huawei	More+

Display

1.78"

Retina LTPO OLED

Battery

292

mAh

Pros

Built-in GPS for standalone activity tracking.
Water resistant up to 50m.
Brighter display (1000 nits) for better outdoor visibility.
Cellular connectivity (with eSIM) allows for calls and data without an iPhone.
Built-in barometer for elevation tracking.
ECG certified for heart rhythm monitoring.
Larger display and thinner body compared to previous models.

Cons

Requires an iPhone for initial setup and full functionality.
Battery life is short compared to some competitors.

General
Brand	Apple
Model	Watch Series 4 Aluminum
Colour	Silver, Gold, Space Gray
Models	A1975, A1976, A2007, A2008, A1977, A1978
Launch
Announced	September 2018
Status	Discontinued
Network
Technology	GSM / HSPA / LTE
2G bands	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 900 / 2100 / 800 - Europe, Australia HSDPA 850 / 1700(AWS) / 1900 / 800 - USA, LATAM, Canada HSDPA 2100 - China
4G bands	1, 3, 5, 7, 8, 18, 19, 20, 26 - Europe, Australia 2, 4, 5, 12, 13, 17, 18, 19, 25, 26, 41 - USA, LATAM, Canada 1, 3, 39, 40, 41 - China
Speed	HSPA, LTE
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
Display
Type	Retina LTPO OLED, 1000 nits (peak)
Size	1.78 inches
Resolution	448 x 368 pixels (~326 ppi density)
Protection	Ion-X strengthened glass
	3D Touch display
Platform
OS	watchOS 5.0, upgradable to watchOS 10.6.1
Chipset	Apple S4
CPU	Dual-core
GPU	PowerVR
Memory
Card slot	No
Internal	16GB 1GB RAM
Camera
Selfie camera	No
Communication
WLAN	Wi-Fi 802.11 b/g/n
Bluetooth	5.0, A2DP, LE
Positioning	GPS, GLONASS, GALILEO, QZSS
NFC	Yes
Radio	No
USB	No
Battery
Type	Li-Ion 292 mAh (1.12 Wh), non-removable
Charging	Wireless
Features
Sensors	Accelerometer, gyro, heart rate, barometer
	Natural language commands and dictation (talking mode)
Price
Price	About 430 EUR

Frequently Asked Questions

Yes, the Apple Watch Series 4 has an eSIM that allows for cellular connectivity (LTE) on supported carriers.

A new feature is the ECG certified function, which allows users to take an electrocardiogram directly from their wrist to monitor for irregular heart rhythms.

The Apple Watch Series 4 has a 1.78-inch Retina LTPO OLED display.