Casio GA-B2100-1A1

Get the retro look you love with the octagonal-cased GA-2100 series, which inherits the concept of the very first G-SHOCK watch, but in a version with Smartphone Link and Tough Solar power.

Features

Case size (L×W×H)

48.5 × 45.4 × 11.9 mm

Weight

52 g

Case and frame material

Carbon/Resin

Bracelet

Resin bracelet

Structure

Shock resistance

Carbon Core Guard Structure

Waterproofing

Waterproof up to 20 bar

Setting the time

Bluetooth: Connects to a smartphone and automatically sets the time

Power and battery life

Tough Solar (solar)

Smartphone Link/App Connectivity Features

Smartphone Link Feature

Mobile Link (wireless connection via Bluetooth®)

Applications

CASIO WATCHES

App Connectivity Feature

Automatic time setting

Easy watch setting

300 cities for world time

Time and place

Reminder

Phone Detector

Outside

Glass

Mineral glass

Others

Neobrite

Watch functions

Universal time

World Time

38 time zones (38 cities + Coordinated Universal Time), city code display, city name display, daylight saving time on/off, automatic daylight saving time, change home city/world time city

Stopwatch

1/100th of a second stopwatch

Measuring capacity:

00'00''00~59'59''99 (during the first 60 minutes)

1:00'00~23:59'59 (after 60 minutes)

Unit of measurement:

1/100th of a second (for the first 60 minutes)

1 second (after 60 minutes)

Measuring modes: Elapsed time, lap/split time

Timer

Countdown

Unit of measurement: 1 second

Countdown range: 60 minutes

Countdown start time setting range: 1 second to 60 minutes (1 second increments and 1 minute increments)

Alarm/Hours Signal

5 daily alarms

Hours signal

Lighting

Double LED lighting

LED dial illumination (Super Illuminator, selectable illumination duration (1.5 or 3 seconds), afterglow)

LED backlight for digital display (Super Illuminator, selectable illumination duration (1.5 or 3 seconds), afterglow)

Color of light

LED: white

Calendar

Full automatic calendar (up to year 2099)

Mute function

Enabling/Disabling Button Tone

Energy saving function

Power saving (screen turns off to save power when watch is left in the dark)

Battery level display/alert

Battery level indicator

Operating time

Approximate battery life:

7 months on rechargeable battery (operating period with normal use without exposure to light after charging)

18 months on rechargeable battery (operating period when stored in complete darkness with energy saving function activated after full charge)

Precision

Accuracy: ±15 seconds per month (without Mobile Link function)

Other functions

Hand hide function (to provide a clear view of the digital display content.)

12/24 hour format

Change date/month display

Day display (weekdays can be selected in six languages)

Standard time indication:

Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (battery charge level, mode)

Digital: Hour, minute, second, 12-hour format, month, date, day