Category

Specification

Brand & Model

Apple Watch Ultra 3

Release Date

Announced September 9, 2025; Available from September 19, 2025

Network

5G and LTE cellular; dual-frequency GPS; satellite connectivity for Emergency SOS, Messages, and Find My

Dimensions

49 mm (H) × 44 mm (W) × 12 mm (D); display area: 422 × 514 pixels (~1245 sq mm)

Weight

Natural titanium: 61.6 g • Black titanium: 61.8 g

Display

Always-On Retina wide-angle OLED with LTPO3; 326 ppi; flat sapphire crystal; up to 3000 nits peak brightness; Night Mode for Ultra faces

OS & UI

watchOS 26 with Liquid Glass UI, wrist-flick & double-tap gesture controls, Workout Buddy, Smart Stack, live translation, Sleep Score, hypertension & apnea notifications

Chipset

S10 chip (64-bit dual-core CPU + 4-core Neural Engine), 64 GB storage

CPU

Dual-core (integrated in S10 chipset)

GPU

Integrated Apple GPU (S10)

RAM & Storage

64 GB storage (RAM not disclosed)

Rear Cameras

N/A

Front Camera

N/A

Battery

Up to 42 hours typical use; up to 72 hours in Low Power Mode

Charging

Fast charging: 80% in ~45 minutes; 15 min → ~12 hours use; 5 min → ~8 hours sleep tracking

Connectivity

5G, LTE, Wi-Fi (dual-band), Bluetooth 5.3, Ultra Wideband 2, NFC, GPS, international roaming support

Sensors

Electrical heart sensor, 3rd-gen optical heart sensor, blood oxygen sensor, temperature sensor, depth gauge, water temperature sensor, compass, always-on altimeter, high-g accelerometer, high-dynamic-range gyroscope, ambient light sensor

Protection

Water resistant to 100 m (ISO 22810:2010); suitable for recreational scuba diving (to 40 m); IP6X dust resistance; EN13319 certified; MIL-STD 810H tested

Colors Available

Natural titanium, Black titanium

Environmental Credentials

40% recycled content including 100% recycled titanium in case, 100% recycled cobalt and 95% recycled lithium in battery, recycled rare earths, gold plating, tungsten, and steel; manufactured with 100% renewable electricity; low-carbon packaging and shipping