Casio
G SHOCK GMAS2100BA-4A GMAS MID-SIZE CasioAK
Simplify your life with the popular analogue-digital combination GMA-S2100 in your choice of smoky, monochromatic colours.
The same tough construction of the original GA-2100, but in an even slimmer, more compact design. The flat watch face and simple bar indexes project a minimalist look and feel that shows you know right where youre going. A casual, comfortable G-SHOCK in stylish solid colours.
Case / bezel material: Carbon/ResinResin Band
Neobrite
Carbon Core Guard Structure
Shock Resistant
Mineral Glass
200-meter water resistance
LED: White
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
1/1000-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
Other: speed (0 to 1998 units/hour), Distance input (0.0 to 99.9)
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
Full auto-calendar (to year 2099)
Button operation tone on/off
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
Accuracy: ±15 seconds per month
Approx. battery life: 3 years on SR726W x 2
Size of case / Total weight Size of case : 46.2×42.9×11.2mm Total weight : 41g