G-Shock'snew GA2100 series contains watch modelsthat take on the octagonalshape that was originally part of the popular DW5000C collection.An analog-digital Japanese quartzmovementlays inside theminimalistic designall whilewithholding the level of toughness G-SHOCK has come to be known for.
A super-strongresin case and strap are reinforcedby carbon fiberswhich allow the case to sit at a mere 11.8mm of thickness, which isas thin as a G-SHOCK combo model can get.

• 48.545.411.8mm Transparent Resin Case
• Tough Resin Strap
• Analog-Digital Dial w/ Negative LCD Display
• Shock Resistant
• Mineral Glass
• 200-meter water resistance
• Double LED light: LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
  LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
• World time: 31 time zones (48 cities coordinated universal time), daylight saving on/off, Home city/World time city swapping
• 1/100-second stopwatch
• Countdown timer
• 5 daily alarms
• Hourly time signal
• Hand shift feature
• Full auto-calendar (to year 2099)
• 12/24-hour format
• Button operation tone on/off
• Regular timekeeping
  Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day)
  Digital: Hour, minute, second, pm, month, date
• Accuracy: 15 seconds per month
• Approx. battery life: 3 years on SR726W 2