Casio G-Shock Carbon Core Guard Structure Iridescent Colour Dial Black Resin Band Watch GA2100SR-1A GA-2100SR-1A

Immerse yourself in brilliant iridescent color, the first-ever G-SHOCK with full-surface gradated crystal finish evoking reflected sunlight.



Rainbow vapor deposition reproduces the midsummer sky at dusk, changing hue moment by moment depending on the light. Each crystal gleams with a singular radiance, delivering one-of-a-kind timepieces, each with its own unique color pattern.



* Actual product may differ from the color gradation pictured here.


* Because these models feature specially treated crystal watch glass, the dial may be easier to read at certain viewing angles.


�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Case / bezel material: Resin

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Resin Band

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Mineral Glass

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Neobrite

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Shock Resistant

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Carbon Core Guard structure

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? 200-meter water resistance

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Double LED light

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents)

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? World time

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? 31 time zones (48 cities + coordinated universal time), daylight saving on/off

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? 1/100-second stopwatch

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Measuring capacity:

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? 00'00''00~59'59''99 (for the first 60 minutes)

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? 1:00'00''~23:59'59'' (after 60 minutes)

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Measuring unit:

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? 1/100 second (for the first 60 minutes)

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? 1 second (after 60 minutes)

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Measuring modes: Elapsed time, split time, 1st-2nd place times

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Countdown timer

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Measuring unit: 1 second

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Countdown range: 24 hours

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? 5 daily alarms

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Hourly time signal

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Full auto-calendar (to year 2099)

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? 12/24-hour format

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Button operation tone on/off

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Regular timekeeping

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day)

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Digital: Hour, minute, second, pm, month, date

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Accuracy: Çï¶ÝÇïƒ??Çï¶ÝÇï¶÷Çï¶ÝÇïƒ??Çï¶ÝÇï¶Ï15 seconds per month

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Approx. battery life: 3 years on SR726W �÷??ƒ?ª?ƒ?ªƒ??�÷??�÷?Ó?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶® 2

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Size of case : 48.5�÷??ƒ?ª?ƒ?ªƒ??�÷??�÷?Ó?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®45.4�÷??ƒ?ª?ƒ?ªƒ??�÷??�÷?Ó?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®11.8mm

�÷??ƒ?ª?ƒ?ªƒ??�÷??ƒ?ª?�÷??�÷??�÷??ƒ?ªÓ?ƒ?ªƒ??�÷??ƒ?ª¶®�÷?¶®�÷??ƒ?ªÓ?ƒ?ªƒ??Çï¶݃?ª? Total weight : 51g