The Apple Watch Ultra Series 3 features a 49mm Grade 5 titanium case with a flat 1.98-inch Always-On Retina LTPO3 OLED display capable of reaching up to 3,000 nits peak brightness for improved visibility in direct sunlight. Powered by Apple's S10 dual-core chip with Neural Engine, the device includes 64GB of internal storage and runs watchOS 26 with on-device Siri processing. The watch delivers up to 42 hours of battery life under normal use conditions, extending to approximately 72 hours in Low Power Mode. Built to withstand extreme environments, it meets MIL-STD-810H military standards, offers IP6X dust resistance, and provides water resistance to 100 meters with recreational diving capability to 40 meters. The sapphire crystal front and ceramic/sapphire back contribute to its robust construction.
Designed for outdoor enthusiasts and athletes requiring reliable performance in challenging conditions, the Ultra Series 3 incorporates dual-frequency GPS for enhanced location accuracy and cellular/5G connectivity for independent communication. The wide-angle OLED technology improves off-axis viewing, making information readable from various angles during activities. Satellite emergency communication capabilities provide critical safety features for users venturing into remote areas without cellular coverage. The combination of extended battery performance, enhanced durability certifications, and advanced health and fitness tracking positions the Ultra Series 3 as a comprehensive tool for serious athletes and adventure-focused users who demand both rugged reliability and sophisticated technology in a wearable device
