Casio G-Shock GM-2100CB-1AJF GM-2100CB-1A World Time 20ATM Watch

release date
February 2023
Case size (length x width x thickness)
49.3 x 44.4 x 11.8mm
mass
72 grams
Case/bezel material
resin/stainless steel
band
cross band
structure
Impact resistant structure (shock resist)
Waterproof
20 ATM water resistant
Power supply and battery life
Battery life: about 3 years
Exterior
glass
inorganic glass
surface treatment
Black IP (bezel part)
Band wearable size
145-215mm
others
Neobright
clock function
world time
World time: 48 cities around the world (31 time zones, with daylight saving time setting function) + UTC (Coordinated Universal Time) time display
stopwatch
Stopwatch (1/100 second (less than 1 hour) / 1 second (more than 1 hour), 24 hour meter, with split)
timer
Timer (set unit: 1 second, maximum set: 24 hours, measured in 1 second units)
Alarm/time signal
5 time alarms, hourly signal
light
Double LED light: LED light for dial (with super illuminator, afterglow function, afterglow time switch (1.5 sec/3 sec)), LCD LED backlight (super illuminator, afterglow function, afterglow time switch (1.5 sec)) /3 seconds))
light color
LEDs: White
calendar
full auto calendar
Operation sound ON/OFF switching function
Operation sound ON/OFF switching function
accuracy
Average monthly difference: ±15 seconds
Other functions
12/24 hour display switching
Needle retraction function (When the needle overlaps the liquid crystal display and is difficult to see, the needle can be temporarily