Apple

Apple Watch Ultra 3

Overview

The Apple Watch Ultra 3 is Apple's premium rugged smartwatch featuring a 49mm Grade 5 Titanium case, flat sapphire crystal display, and the new S10 chip. It delivers up to 42 hours of battery life, 100m water resistance with EN13319 scuba diving certification, and a comprehensive suite of health sensors including ECG, Blood Oxygen, and temperature sensing. Designed for athletes, divers, and adventurers, it runs watchOS 27 with 5G cellular, dual-frequency GPS, and emergency satellite connectivity.

Key Highlights
  • 49mm Grade 5 Titanium case with flat sapphire crystal display, IP6X dust resistant, 100m water resistance, MIL-STD 810H certified
  • Apple S10 chip with 64-bit dual-core processor, 4-core Neural Engine, and 64GB storage capacity
  • Always-On Retina LTPO3 OLED display with up to 3000 nits peak brightness for excellent outdoor visibility
  • Up to 42 hours battery life (72 hours in Low Power Mode) with fast charging (up to 80% in 45 minutes)
  • Advanced health sensors: ECG, Blood Oxygen, temperature sensing, depth gauge, water temperature sensor, and 3-microphone array with beamforming

Technical Specifications

Brand Apple
Model Apple Watch Ultra 3
Processor (CPU) Apple S10 chip with 64-bit dual-core processor, 4-core Neural Engine
Memory (RAM) N/A (Apple does not disclose RAM capacity)
Storage 64GB
Display 49mm 422x514 Always-On Retina LTPO3 OLED, wide-angle OLEDs, flat sapphire crystal, up to 3000 nits peak brightness, 1 nit minimum
Battery Built-in rechargeable lithium-ion, up to 42 hours normal use, up to 72 hours in Low Power Mode, fast-charge capable (up to 80% in about 45 minutes)
Weight 61.6g (natural titanium) / 61.8g (black titanium)
Connectivity Bluetooth 5.3, Wi-Fi 4 (802.11n)
Operating System watchOS 27
Dimensions 49 x 44 x 12 mm