The watch will vibrate when the time is up. Blue alarm clock function on green background.

white, blue, background, object, number, circle, macro, design, space, style, speed, minute, time, watch, clock, pastel, creative, bell, measure, lifestyle, fast, hours, second, conceptual, analog, running, alarm, deadline, passing, stopwatch, daytime, alert, minimal, alarmclock, overtime, timekeeping, Alarm clock, Time Passing, time lapse, clock face, hour hand, second hand, clock hand, minute hand, clock dial, fast forward, long time, bell time, time hour, hour alert,