A tried and true style great for casual wear. With its daily alarm, hourly time signal and auto calendar, you'll never need to worry about missing an appointment again. Black Casual Classic watch with a Resin Band. Water Resistant Micro Light Daily Alarm 1/100 second digital stopwatch Measuring capacity: 59’59.99” Measuring modes: Net time, split time, 1st-2nd place times Hourly Time Signal Auto Calendar 12/24 Hour Formats Accuracy: +/-30 seconds per month Battery CR2016 Approx. battery life: 7 years Module 593. So buy this Watch and Save $12 Off on Casio F91W-1 /F91WG - Wrist Watch - Men - Casual - Digital - Quartz for $7.99 after instant rebate with free shipping at Rakuten.com.