For the first time looking at the device, it is difficult to think that this watch. It seems that this is just a round disk on which sat a butterfly. All the more so minute and hour hands on it is not clear. But the one who has learned to use these hours, the shooter is not necessary, although you still need to learn – after all, no arrows, no numerals on the clock no. The main role played by the butterfly, which changes position every hour, that is, acts as the hour hand.
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