Casio G-SHOCK 55mm Duo Chrono Men's Watch - GA100A-9A

Living up to G-Shock's reputation for big case designs, comes a revolution in case size with the introduction of the X-Large G. This Ana-Digi, ?three-eyed? monster measure in at a whopping 55 x 51.2 x 16.9mm size, with an attention to detail, that is second to none. Large anti-skid buttons provide easy operation, embossed Indexes gives a 3-D look and a rivet bezel design adds strength to its overall appearance.

• LED Light 
  Auto Light switch, selectable illumination duration, afterglow
• World time 
  29 time zones (48 cities + coordinated universal time), dayLight saving on/off, Home city / World time city swapping
• 1/1000-second stopwatch 
  Measuring capacity: 99:59'59.999'' 
  Measuring modes: Elapsed time, lap time, split time 
  Others: Speed (0 to 1998 units / hour), Distance input (0.0 to 99.9) 
  Mach indicator (speed exceeding 1225 units / hour)
• Countdown timer 
  Measuring unit: 1 second 
  Countdown range: 24 hours 
  Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments) 
  Other: Auto-repeat
• 5 daily alarms (with 1 snooze alarm)
• Hourly time signal
• Full auto-calendar (to year 2099)
• 12/24-hour format
• Regular timekeeping 
  Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (speed) 
  Digital: Hour, minute, second, pm, month, date, day
• Accuracy: ±15 seconds per month
• Approx. battery life: 2 years on CR1220
• Size of case : 55 X 51.2 X 16.9 mm
• Total weight : 70 g
• LED:Amber