CASIO  GULFMAN G-SHOCK TITANUIM BACK CASE G9100-1 

• Shock Resistant
   
• Rust Resistant
   
• 200M Water Resistant
   
• Auto Dual EL Backlights with Afterglow
   
• Tide Graph
   
• Moon Data (moon age of the input data, moon graph)
   
• World Time
  29 times zones (48 cities), city code display, daylight saving on/off
   
• 3 Multi-function Alarms (1 with snooze)
   
• Countdown Timer
  Measuring unit: 1 second
  Countdown range: 1 minute to 24 hours
  Auto Repeat, timeup alarm, progress beeper
   
• 1/100 second stopwatch
  Measuring capacity: 24:59'59.99"
  Measuring modes: Elapsed time, split time, 1st-2nd place times
   
• Hourly Time Signal
   
• Flash Alert (stopwatch auto-start, countdown alarm, alarms, hourly time signal)
   
• Button Tone Operation On/Off
   
• Auto Calendar (pre-programmed until the year 2099)
   
• 12/24 Hour Formats
   
• Accuracy: +/-15 seconds per month (with no signal calibration)
   
• Battery: CR2025
   
• Approx. battery life: 7 Years
   
• Module 3088
   
• Size of case/total weight
  G9100 51.0 x 46.0 x 16.4mm / 53g

• Original box and manual