Apple Watch Ultra 4 specifications

All the technical specifications of the Apple Watch Ultra 4 in one place: a Li-ion battery and heart rate monitor with ECG function. Below you will find the full overview, from storage and connectivity to what's in the box, so you can check and weigh up every detail.

Height:49 mm

Weight:63,1 gr

Width:44 mm

Thickness:12 mm

General

• Status:In stores
• Announced:9 september 2026
• Predecessor:Apple Watch Ultra 3
• Product code:A3579
• EAN codes: 0195951217994, 0195951217734, 0195951217475, 0195951217215, 0195951216959, 0195951216690, 0195951216430

Carrying method

• Strap: Interchangeable
• Wrist Size: 130-210 mm

Display

• Colour display: Adjustable display brightness, 16.777.216 colours (24 bits), Always-On Retina Display, Always On feature
• Resolution: 422 x 514 pixels
• Peak brightness: 3000 nits

Hardware

• Processor: Apple S11, Dual Core

Build-in memory

• Internal memory:
• Storage: 64 GB

Power supply

• Battery: Li-ion
• Fast charging:
• Wireless charging:

Audio

• Built-in speakers:
• Microphone:
• Stereo speakers:

Operating system

• watchOS: 27

Compatibility

• With iOS: Vanaf 26

Materials

• Dirt and waterproof: IP6X, 10 ATM
• Rugged casing: MIL-STD-810H
• Sapphire Crystal:
• Sustainable: Carbon neutral
• Titanium:

Controls

• Hand gestures:
• Swivel crown:

Design type

• Watch:

Sensors

• Altimeter:
• Ambient light sensor:
• Barometer:
• ECG:
• Gyroscope:
• Heart rate monitor:
• Oxygen saturation (SpO2):
• Skin temperature sensor:
• Thermometer:

Navigation

• Beidou:
• Digital Compass:
• Galileo:
• GPS receiver:
• Quasi-Zenith (QZSS):

Data network

• 4G (LTE): Band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 38, 39, 40, 41
• 5G: n1, n2, n3, n5, n7, n8, n12, n14, n20, n25, n26, n28, n38, n40, n41, n53, n66, n71
• UMTS:

Connectivity

• Bluetooth: v5.3
• NFC:
• Satellite communication:
• Synchronisation:
• Ultra-wideband (UWB):
• Wireless Lan (WLAN/Wi-Fi): Wi-Fi 4 (802.11n)

Available applications

• Pedometer:

Contents of the package

• Charging cable: USB Type-C
• Wristband: