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Here’s a clever concept, telling time with color only. A bit like learning a new language though. Here are watches in varying degrees of difficulty, IMO.



The mono watch with two transparent discs, one blue, one grey. Grey = hours, blue = minutes.



This watch has two transparent discs, one blue, one yellow. Blue = hours, yellow = minutes.



This watch uses just one color. The tip of the inner swirl = hours, the outer swirl = minutes.
I’m so certain that I can read the time of day on these watches I have asked the manufacturer what time it is. A test if you choose to take it: Can you tell us the time? [ ziiiro ] This post written during London 2012 where we point out the evolution of the game’s timekeeping. [ omega ]