Another most subtle (though flashy) way to give time! This watch has 28 LED lights. Red, yellow, green. No numbers displayed.Red lights display hoursYellow lights display 5 minute intervalsGreen lights display 1 minute intervalsBracelet:-Material: Argentum colored metal strap, 170 mm long, 20 segments of 8 mmButtons (right-side):- Top (hour and date display select)- Button (change mode)Settings: Time, Date, Day of the Week, LuminosityPower: 2 CR2032 batterie (supplied)