Design & Features - The new Galaxy watches feature design changes, including a rotating bezel on the Classic model [1] - The Galaxy Watch 8 is 11% thinner than previous models [10] - New watch band mechanism may improve health measurement accuracy [11][12] Health & Wellness - Introduces an antioxidant index feature to measure antioxidant levels in the skin [2] - Features a new running coach that provides personalized training plans [3][4] - Includes bedtime guidance to calculate optimal sleep windows and vascular load measurement for long-term heart health monitoring [5][6] Battery & Performance - Both new watches have bigger batteries than previous models, promising a battery boost [7] - Google's AI assistant, Gemini, will debut on these watches, potentially improving command handling and context-aware responses [8][9] Pricing & Availability - Galaxy Watch 8 starts at $350, Galaxy Watch 8 Classic starts at $500, and Galaxy Watch Ultra at $650 [13]