Once upon a time (around the 17th century), gentlemen wore pocket watches. Stylish, rounded, and no sharp corners. It showed the time, sometimes even the date, and that was all there was to it. It wasn’t until much later that men started wearing “arm watches.” The switch came at the end of the 19th century when men in the military started strapping their pocket watches to leather straps around their arms. Military strategists started synchronizing troop movements so it became convenient for officers to be able to tell the time. Early wrist watch by Waltham, worn by soldiers in World...

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