Casio G-Shock [GA-2100RL-1ADR]

Case Size (L × W × H): 48.5 × 45.4 × 11.8 mm
Weight: 51 g
Case and Bezel Material: Carbon / Bio-based resin
Band: Bio-based resin band
Construction: Shock Resistant, Carbon Core Guard structure
Water Resistance: 200-meter water resistance
Power Supply and Battery Life: Approx. battery life: 3 years on SR726W X 2
Glass: Mineral Glass
Compatible Band Size: 145 to 215 mm
Other: Neobrite
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)
• Measuring Capacity: 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)
  Light Color: White
  Calendar: Full auto-calendar (to year 2099)
  Mute Feature: Button operation tone on/off
  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