Casio G-Shock GA-2100 Series Digital Analog Watch, GA-2100-1A4

Casio G-Shock GA-2100 Series Digital Analog Watch, GA-2100-1A4

World time

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

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)

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)

Calendar

Full auto-calendar (to year 2099)

Accuracy

Accuracy: ±15 seconds per month

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

Alarm/hourly time signal

5 daily alarms
Hourly time signal

Light color

LED:White

Mute feature

Button operation tone on/off

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