G-Shock GA-2100-7A - GA-2100 Series

Choose timeless versatility with the iconic octagonal G-SHOCK look, now in tasteful GA-2100 colors.

Made of carbon fiber-reinforced fine resin for a thinner, lighter watch case that is as tough as ever. The simple design and rugged construction features a black dial for a cool, polished look.

• Case / bezel material: Carbon / Resin　
• Resin Band
• Mineral Glass
• Shock Resistant
• Carbon Core Guard structure
• 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
• 1/100-second stopwatch
  Measuring capacity:
  00'00''00~59'59''99 (for the first 60 minutes)
  1:00'00''~23:59'59'' (after 60 minutes)
  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)
• 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