Pros and cons of getting an Apple Watch? Not really necessary right?

I already have an iPhone but I see people with these are they useful

I have the first gen watch and I thought it was the most useless thing that I wear on my wrist. A regular watch is more useful.

I suppose it comes in handy if you play Pokémon go. Or if you're too lazy to take out your iPhone to choose another song to listen to. Or if you like to talk into your wrist instead of the phone.

I think people wear it to show other people that they spent hundreds of dollars on the watch. It's like people Rolex.

Only if you are so absorbed in your electronics that you need to disassociate from the real world constantly.

Pros:
You don't have to take your phone out of your pocket or have it right next to you to check\answer calls and texts. Frankly it's probably made me less attached to my phone since I can just leave it anywhere in the office or home and still get important calls.

Cons:
Display is not always on to see the time.
Have to charge it every night.
Expensive if you are buying the current model.