Casio G-Shock GD-100-1B Standard Digital Watch - Black

»Case / bezel material: Resin
»Resin Band
»Shock Resistant
»Mineral Glass
»200-meter water resistance
»LED Backlight
  Auto light switch, selectable illumination duration, afterglow.
»Flash alert
  Flashes with buzzer that sounds for alarms, hourly time signal, countdown timer time up alarm
»Multi time (4 different cities)
»World time
  31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city / World time city swapping
»1/100-second stopwatch
  Measuring capacity: 23:59'59.99''
  Measuring modes: Elapsed time, split time, 1st-2nd place times
»Countdown timer
  Measuring unit: 1/10 second
  Input range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
»5 alarms (daily or one-time)
»Hourly time signal
»Full auto-calendar (to year 2099)
»12/24-hour format
»Button operation tone on/off
»Regular timekeeping: Hour, minute, second, pm, month, date, day
»Accuracy: ±15 seconds per month
»Approx. battery life: 7 years on CR2025