The Casio F91W digital sports watch is a tried and true taste for informal and sporty wear. With Day by day alarm, hourly chime signal, and automated calendar (robotically sets date for months with 31, 30, 29, 28 days!) you?l never wish to concern about missing an appointment again.Accuracy: +/-30 seconds monthly.Water Resistant.Micro Mild.Approx. battery life: 7 years.Battery CR2016.Module 593.
Day by day Alarm
Digital stopwatch Measuring capability: 59’59.99″
Hourly Time Signal
Auto Calendar sets date for months with 28, 29, 30, or 31 days