Apple Watch Series 10 is sleeker and more practical than ever, with a slimmer frame and new titanium case option.The screen is bigger, offering two new case sizes: 42mm and 46mm.The watch features a ticking second hand on the always-on display and a voice isolation feature to reduce background noise on calls.The Series 10 feels light and resembles a traditional wristwatch, with a suite of new health and fitness tools.