I wear a watch, but only during work hours, usually Monday thru Friday, about 7 am to 5 pm (from the time I leave the house until I get home). The rest of the time, I just look at my cell phone.
But now reading this thread I realize that this makes no sense. I got into the habit of wearing a watch during work hours before cell phones. Now, I continue the habit, but even during work I have my cell phone with me and could use it to check the time.
Maybe it has to do with the feeling like I am dressed for work. When I got out of law school and started my first job as an attorney, I wore suits every day. This has gradually evolved thru periods of casual Fridays to business casual to blue-jeans-casual. So now, the watch is the only vestige of my "work" wardrobe.
I guess you just asked a simple question, and I had to go and get all psycho-analitical about it. Yes, I wear a watch, but only at work, or to and from.