Which Apple Watch should you buy: the thinner, lighter, more affordable Apple Watch Series 10, or the rugged Watch Ultra 2 with longer battery life and stronger outdoor features? Apple Watch Series 10 vs. Watch Ultra 2: Which One to Buy? The thinner, lighter Series 10 feels better for everyday wearThe Apple Watch Series 10 is much slimmer than the Ultra 2. When Series 10 gives you the better valueThe Apple Watch Series 10 is the smarter purchase when you want the core Apple Watch experience without paying for rugged hardware you rarely use. Is the Apple Watch Series 10 newer than the Watch Ultra 2?