Apple Watch Ultra 3 - LTPO OLED / 64GB / 49mm / Bluetooth / Wi-Fi / Cellular / Medium/Large / Natural Titanium Case with Blue/Bright Blue Trail Loop

Overview

The Apple Watch Ultra 3 is Apple’s most advanced and rugged smartwatch, engineered for extreme performance, outdoor exploration, and comprehensive health monitoring. It features an ultra-bright display, powerful S10 chip, advanced sensors, satellite safety capabilities, and exceptional durability for demanding environments.

Specifications

• Brand: Apple

• Model: Apple Watch Ultra 3

• Display:

  • Always-On Retina display with wide-angle OLEDs and LTPO3

  • 1Hz refresh rate

  • Active area: 422 × 514 pixels (326 ppi)

  • Flat sapphire crystal display

  • Up to 3000 nits peak brightness; 1-nit minimum brightness

  • Night Mode for Modular Ultra, Wayfinder, and Orienteering watch faces

• Chip: S10 chip with 64-bit dual-core processor and 4-core Neural Engine

• Capacity: 64GB

• Band Size: Medium/Large

• Controls:

  • Customizable Action button

  • Digital Crown with haptic feedback

  • Side button

  • Double tap and wrist-flick gestures

  • On-device Siri processing

• Hardware & Buttons:

  • Microphone

  • Speaker

  • Customizable Action button

  • Siren/Speaker

  • Antennas (GPS, cellular/satellite)

  • Side button

  • Digital Crown

  • Depth gauge / Water temperature sensor / Altimeter

• Audio:

  • Three-microphone array with beamforming and wind noise mitigation

  • Dual speakers

  • Media playback

  • Siren

• Sensors:

  • Electrical heart sensor

  • Third-generation 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

• Health & Wellness Features:

  • Blood Oxygen app

  • ECG app

  • Cycle Tracking with retrospective ovulation estimates

  • Heart Rate app

  • High and low heart rate notifications

  • Irregular rhythm notifications

  • Medications app

  • Mindfulness app (state-of-mind tracking)

  • Noise app

  • Sleep app with sleep stages, sleep score

  • Sleep apnea notifications

  • Hypertension notifications

• Operating System: watchOS

• Connectivity:

  • Cellular with RedCap for 5G and LTE

  • Wi-Fi 4 (802.11n), supports 2.4GHz & 5GHz

  • Bluetooth 5.3

• Safety:

  • Satellite connectivity (Emergency SOS, Messages, Find My)

  • Emergency SOS

  • International emergency calling

  • Siren

  • Flashlight

  • Crash Detection

  • Fall Detection

  • Last Emergency Call Availability Waypoint

  • Noise monitoring

  • Backtrack

• Durability:

  • 100m water resistance (swim, snorkel, scuba, high-speed water sports) under ISO 22810:2010

  • Dust resistance: IP6X

  • EN13319 recreational scuba diving to 40m (±1m accuracy)

  • MIL-STD 810H tested (altitude, high/low temperature, temperature shock, immersion, freeze/thaw, ice/freezing rain, shock, vibration)

• Accessibility: Built-in features for vision, mobility, hearing, and cognitive needs

• Compatibility:

  • iPhone 11 or later (including iPhone SE 2nd gen or later)

  • Requires iOS 26 or later

• In the Box:

  • Apple Watch Ultra 3

  • Band

  • Apple Watch Magnetic Fast Charger to USB-C Cable (1m)

• Dimensions: 44mm × 12mm × 49mm

• Weight: 61.6 g