Got a smartwatch a few days ago. Samsung Gear S2 and it was free with my Galaxy S7 Edge.
They're honestly pretty cool and useful. I really like having my jacket in my breast pocket and getting notifications on my wrist instead.
I really like the customizable watch faces. I think there's a lot of potential as they get better. I probably wouldn't have bought one yet, as they're still a bit thick.
I have an LG G Watch R that I wear sometimes on the weekend. Don't think they will ever replace my old mechanical watches on the weekdays.