Apple Watch Ultra 3 Titanium Milanese Loop

S10 chip with 64-bit dual-core processor
4-core Neural Engine

64GB capacity

Electrical heart sensor
Third-generation optical heart sensor
Blood oxygen sensor1
Temperature sensor2
Depth gauge
Water temperature sensor
Compass
Always-on altimeter
High-g accelerometer
High dynamic range gyroscope
Ambient light sensor

watchOS
watchOS is the world’s most advanced wearable operating system, with apps and features designed to keep you active, healthy, safe, and connected.

Built-in rechargeable lithium-ion battery

Multiday battery life, up to 42 hours of normal use
Up to 72 hours in Low Power Mode

Up to 80% charge in about 45 minutes
15 minutes for up to 12 hours of normal use
5 minutes for up to 8 hours of sleep tracking

Audio:
Three-microphone array with beamforming and wind noise mitigation
Dual speakers
Media playback
Siren

Microphone
Speaker
Customizable Action button
Siren/Speaker
Antennas (GPS, cellular/satellite)
Microphone
Side button
Microphone
Digital Crown
Depth gauge/Water temperature sensor/Altimeter

Fits 130–210mm wrists
Controls:
Customizable Action button
Digital Crown with haptic feedback
Side button
Double tap and wrist flick gestures
Siri with on‑device processing

Round

1245 sq mm display area

Always‑On Retina display with wide‑angle OLEDs and LTPO3
1Hz refresh

Active area (422 by 514 pixels, 326 pixels per inch)
Flat sapphire crystal display
Up to 3000 nits peak brightness
1 nit minimum brightness
Night Mode for Apple Watch Ultra faces (Modular Ultra, Wayfinder, Orienteering)

Cellular: 5G17 and LTE18
Wi-Fi 4 (802.11n)
Support for 2.4GHz and 5GHz Wi-Fi networks

Bluetooth 5.3

L1 and L5 precision dual-frequency GPS (GPS, GLONASS, Galileo, QZSS, and BeiDou)

Second-generation Ultra Wideband chip19
NFC: Apple Pay20, GymKit
Support for Apple Watch For Your Kids21
International roaming

Height: 49mm
Width: 44mm
Depth: 12mm

Weight (natural): 61.6 grams
Weight (black): 61.8 grams

Titanium

Water resistance 100m (swim, snorkel, scuba, high-speed water sports) under ISO standard 22810:201015
Dust resistance IP6X under IEC 6052916
EN13319 recreational scuba diving to 40m (±1m accuracy)
Tested to MIL-STD 810H against subsections for altitude, high temperature, low temperature, temperature shock, immersion, freeze with thaw, ice and freezing rain, and shock and vibration

Natural

1 year