This is the intelligent manâs watch; not everyone can tell time using this! This smart Binary watch uses LED lights to tell time; the first row indicates hours, the second row represents minutes. The mathematics doesnât end here; add the numbers in each row to easily translate the binary time to decimal. When you use the push button, time is displayed for just 5 seconds! It is smart, intelligent, battery-operated, and water-resistant with leather straps and all the jazz. Also, this sleek watch comes with a sleek stainless steel case. For $79.95What more can you ask for?!