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The “Quartime” watch employs an unusual way of displaying the time from the point of view of traditional watch mechanics. It combines the classic analogue method of a continuously moving hour hand with the principles of digital time indication, where the rotating hour hand is supplemented with an automatically switching scale revealing the period of the day. The sophisticated and intriguing technical feature of this construction is that the period of day indicator moves in a “morning-day-evening-night” cycle in one direction, while the hour markers alternately go backwards and forwards.