Casio GA-2100-1A2DR

Basic Information

• Case size (L× W× H): 48.5 × 45.4 × 11.8 mm
• Weight: 51 g
• Case / bezel material: Carbon / Resin
• Resin Band
• Shock Resistant
• Carbon Core Guard structure
• 200-meter water resistance
• Approx. battery life: 3 years on SR726W X 2
• Mineral Glass

Watch Features

World time

• World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off

Stopwatch

• 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

Timer

• 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)

Alarm/hourly time signal

• 5 daily alarms
• Hourly time signal

Light

• 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)
• LED:White

Calendar

• Full auto-calendar (to year 2099)

Mute feature

• Button operation tone on/off

Accuracy

• Accuracy: ±15 seconds per month

Other features

• 12/24-hour format
• Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
• Regular timekeeping:
  • Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day)
  • Digital: Hour, minute, second, pm, month, date