Back in 1969, I was in a PX in Viet-Nam where I could buy a basic Seiko for $20 or a Seiko automatic diver for $50 or a Rolex Submariner for $165.

I wanted an extremely tough, reliable, accurate watch that would NEVER fail. A bunch of guys told me that the $20 Seiko was a tank. I bought it and they were right. It took a beating and always ran like new.

Suppose today that someone wanted a "tank" of a watch that was accurate and would survive being under water, under mud, subjected to…

Rolex vs. Citizen vs. G-Shock