On your wrist. Easy. *files invoice* Although, hmmm. How do you wear a watch well? Different question. Complicated question. Watches are simple things made hard. And if the reasons that you wear one extend beyond mere timekeeping, there are few key things worth considering, even before you start worrying what a mainspring does (although, if you're taking your first steps down the horological rabbit hole, be warned; it runs deep). 1. Why wear a watch?