Casio Watch:ANALOG-DIGITAL 2100 Series GA-2100-9A9

Welcome to Tone-on-Tone G-SHOCK — watches devoted to the monochrome aesthetic, down to the finest detail.

The GA-2100 clothes its iconic form in tone-on-tone style, available in three popular colors — turquoise, white, and volt yellow. The case, bezel, band, and even the individual dial components are finished in subtly different shades of the same color for a monochromatic look that boasts surprising depth and dimension.

 These colorful watches make a great accessory for your street-savviest fashion.

Basic Information

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

Exterior

Glass

Mineral Glass

Compatible band size

145 to 215 mm

Watch Features

World time

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) 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

LED:White

Calendar

Full auto-calendar (to year 2099)

Mute feature

Button operation tone on/off

Accuracy

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

FEATURES

Monochromatic color scheme

The bezel, band, and dial feature a monochromatic color scheme in white, light blue, or yellow. Each component, including index marks and inset dials, is painstakingly shaded and textured in a slightly different way to achieve a streamlined and solid watch face design.

Attention to materials: Bio-based resin

Key resin components used in the bezel and band are made with bio-based resin. Produced using renewable organic resources, this material is expected to help reduce environmental impact.

*Graphic is included for illustrative purposes.
*Image shows the GA-2100-2A2.

Super Illuminator (high-brightness double LED light) for maintaining watch readability in the dark

*Image shows the GA-2100-7A7.