Choosing between the Apple Watch Series 10 and the Ultra 2 can be a daunting task for many consumers.The Apple Watch Series 10 features a sleek design with a titanium model and a large display with a 1 Hz refresh rate.Both the Series 10 and Ultra 2 introduce sleep apnea detection and a new vitals app for health monitoring.The Ultra 2 offers extended battery life, making it a better option for those needing advanced activity tracking.