I buy one every year or so I go to Japan purely on impulse but in reality, there are hardly any occasions for me to use such sandwich products when the decision is between an Apple Watch as the daily driver and a Tag Heuer for a night out.
Not to say you were implying this in the first place, though I think the point is relevant.
It's not that unusual to see people out with a watch on one wrist and a fitness device on the other wrist.
But then came the Apple Watch, and now I wear that every day. It's a bit more convenient, tracks health data I like and is around 1/10th the price of a nice watch. The latter also means I don't take it off when I go to the playground or jump in the pool. There were some scratches on my previous Apple Watch, but before that really becomes an issue you want to buy a new model anyway for the extra features and better battery life. So in practical use I like it more than a "real" watch.