Apple Watch Series 4

Network

Technology

GSM / 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

48 g (1.69 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

1.78 inches

Resolution

448 x 368 pixels (~326 ppi density)

Protection

Sapphire crystal glass

3D Touch display

Platform

OS

watchOS 5.0, upgradable to watchOS 10.6

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 292 mAh (1.12 Wh), non-removable

Charging

Wireless

Misc

Colors

Space Black, Silver, Gold

Models

A1975, A1976, A2007, A2008