Samsung Galaxy Watch Ultra (2025) 47mm LTE Titanium Silver SM-L705

Display 47 mm, sapphire glass, titanium case; IP68 and MIL-STD-810H protection; water resistance up to 10 ATM
Storage 64 GB internal memory, allowing more apps, maps, and data storage (previously 32 GB)
Battery 590 mAh, endurance remains the same as the previous model; supports wireless charging
Software One UI Watch 8 based on Wear OS 6 (Android 16); integration of Google Gemini replacing Google Assistant; Galaxy AI support with smart recommendations; improved app performance and better Samsung ecosystem synchronization
Health & Fitness new Antioxidant Index measurement; AI Running Coach; advanced sleep metrics, vascular load, and activity tracking; real-time health analysis support
Additional Features LTE and GPS for standalone use without a smartphone; full sensor package (heart rate, SpO₂, ECG, skin temperature, etc.); 10 ATM diving support; new AI-powered training and health features

Differences from previous model:

Storage increased from 32 GB to 64 GB
Software updated to One UI Watch 8 (Wear OS 6) with Google Gemini and Galaxy AI integration
Health new AI features: Antioxidant Index and Running Coach
Design & Battery unchanged – 47 mm titanium case, sapphire glass, 590 mAh battery