The Apple Watch Ultra 4 (2026) smartwatch is a watch for tracking daily activities and using phone functions on your wrist. GPS allows you to determine your location, and the built-in SIM calling option allows you to make calls with your watch.

The 49mm black titanium case is complemented by a Burgundy Trail Loop M/L textile strap. The 100m water resistance rating describes the stated water resistance level of the watch, and the battery is rated for 3 to 4 days of operation, according to the product data.

Key product features

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Built-in GPS is designed to record location and route, while music playback allows you to manage music content from the watch. The calling function via the built-in SIM extends the use of the watch to conversations, not just displaying notifications.

Property

Specification

Model

MJC44QP/A

Screen

49mm Always-On Retina OLED LTPO3

Resolution

422 × 514 pixels

Luminosity

Up to 3000 nits

Screen protection

Sapphire glass

Processor

Apple S11 SiP

Neural Engine

4-core

Internal memory

64GB

Connectivity

GPS + Cellular

Mobile network

5G RedCap, LTE

Wi-Fi

Wi-Fi 4 (2.4 and 5 GHz)

Bluetooth

5.3

GPS

Dual-frequency GPS

NFC

Yes

Operating system

watchOS 27

Housing material

Titanium Grade 5

Housing color

Black Titanium

Belt

Burgundy Trail Loop M/L

Strap compatibility

Wrist 130–210 mm

Water resistance

100 m (10 ATM)

Dust resistance

IP6X

Diving

Up to 40 m

Autonomy

Up to 50 hours

Economy mode

Up to 84 hours

Fast charging

Up to 80% in about 45 minutes

Microphone

Yes

Speaker

Yes

Dimensions

49 × 44 × 12mm

Weight

63.1g