Casio Men's DW-5600BB-1CR G Shock Digital Display Quartz Black Watch;

Specifications: Shock Resistant, 200 Meter Water Resistant, EL Backlight with Afterglow, Flash Alert, Flashes with buzzer that sounds for alarms hourly time signal countdown timer time-up alarm, 1/100 second stopwatch, Measuring capacity for the first 60 minutes: 59'59.99", Measuring unit: 1/100 second (for the first 60 minutes), 1 second (after 60 minutes), Measuring modes: Elapsed time split time 1st-2nd place times, Countdown timer, Measuring unit:1 second, Countdown range: 24 hours, Countdown start time setting range:1 second to 24 hours (1-second increments 1-minute increments and 1-hour increments), Other: Auto-repeat, Multi-function alarm, Hourly time signal, Full auto-calendar (pre-programmed until the year 2099), 12/24 hour formats, Accuracy: +/- 15 seconds per month, Battery: CR2016, Approx. battery life: 2 years, Module: 3229, DW5600BB 48.9 x 42.8 x 13.4mm / 60g