Apple Watch Ultra 3 49mm

Apple Watch Ultra 3 (49mm) Overview

The Apple Watch Ultra 3 is Apple’s latest rugged smartwatch, announced on September 23, 2025, and released on September 24, 2025. Designed for adventurers, athletes, and everyday users who want premium durability and advanced health/safety features, it features a 49mm titanium case that’s water-resistant to 100m (10ATM) and dust-resistant (IP6X). It’s powered by the S10 chip and runs watchOS 11, with seamless integration for iPhone 11 or later running iOS 18 or higher. This model emphasizes off-grid connectivity, enhanced battery life, and precise fitness tracking, making it a step up from the Ultra 2 in display tech and health insights.

Key Features

• Display: Largest Apple Watch screen ever at 1,245 sq mm (422 x 514 pixels) with LTPO3 wide-angle OLED Always-On Retina display. Up to 3,000 nits peak brightness (brighter at angles) and down to 1 nit minimum. 24% thinner bezels than Ultra 2 for more active screen area. Supports ticking seconds in always-on mode for over 20 watch faces, stopwatch, and timer.
• Connectivity & Safety: Built-in satellite communications for texting emergency services, messaging contacts, and sharing location via Find My (even off-grid). Precision dual-frequency GPS, speedy 5G modem for better coverage in weak signal areas, and cellular support. Includes Emergency SOS, Fall Detection, Crash Detection, and siren (86dB).
• Health & Fitness: New hypertension notifications (via optical sensor and 30-day blood vessel analysis, validated in a study with 100,000+ participants). ECG app, irregular heart rhythm alerts, blood oxygen monitoring, sleep apnea notifications, sleep score, and low/high heart rate alerts. Advanced running metrics (power, cadence, vertical oscillation, Pacer), Custom Workouts, Workout Buddy (AI-powered via nearby iPhone), training load, and multisport support (e.g., triathlons, diving up to 40m with full dive computer).
• Battery Life: Up to 42 hours normal use (16% more than Ultra 2’s 36 hours); up to 72 hours in Low Power Mode. 14 hours GPS workouts; fast charging gives 12 hours from 15 minutes.
• Design & Durability: Aerospace-grade titanium case (natural or black finish, 61.6–61.8g). Customizable Action button, digital crown, and side button. Sapphire crystal front. Compatible with 44mm/45mm/46mm/49mm bands.
• Other Smart Features: Calls, music/podcasts, Apple Pay, Siri, and apps like Strava or Peloton. New 3D-printed recycled titanium case for sustainability.