The good news is that you can use your watch without the iPhone nearby once you’ve paired it.
Location Services Apple Cash Family Messages in iCloud Health Data Emergency SOS and Contacts Photos
For example, you can use the clock, stopwatch, timer, and see events on your calendar.
It’s totally up to you which Apple Watch is best for you. If you plan on using the Apple Watch without your iPhone nearby, go for the cellular option. If you usually have your iPhone with you and want longer battery life, choose the GPS watch.
Use the world clock, alarms, timer, and stopwatch Buy things at stores using Apple Pay See events on your calendar Track your fitness activities and workout Measure sound levels around you
Use the walkie-talkie feature Stream music, podcasts, and audiobooks Check the weather Track your stocks
The watch also has wellness features to help you monitor things like your heart rate, menstrual cycle, sleep schedule, and blood oxygen levels.