GBM-2100A-1A2ER

Available with a basic black dial or a vapour deposited blue or metallic green dial and an environmentally responsible bio-based resin strap.

Smartphone Link function

Mobile Link (Bluetooth® wireless link)

Applications

CASIO WATCHES

App Connectivity Function

Automatic time setting

Easy clock setting

World time for approx. 300 cities

Time and place

Reminder

Phone finder

Compatible band size

145 to 215 mm

World time

38 time zones (38 cities + coordinated world time), automatic daylight saving time (DST) and local city/world time switching

1/100 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: 

1/100 seconds (during the first 60 minutes).

1 second (after 60 minutes)

Measuring modes: Elapsed time and lap/fraction time

Countdown timer

Measuring unit: 1 second

Countdown interval: 60 minutes

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

Alarm / time signal

5 daily alarms

Time signal

Illumination

LED light for the dial (super-illuminator, selectable illumination duration (1.5 or 3 seconds) and luminosity)

Light colour

LED: white

Full automatic calendar (up to the year 2099)

Mute function

Activation or deactivation of the button press tone

Power saving function

Power saving (display goes blank to save power when the watch is left in the dark)

Battery display / alert

Battery level indicator

Run time

Approx. battery run time

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

18 months with rechargeable battery (operating period when stored in total darkness with power saving function activated after full charge)

Accuracy

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

Other options

Hand change function (hands move to provide a clear view of the contents of the digital display).

12-hour and 24-hour format

Date/month display change

Day display (days of the week selectable in six languages)

Normal time display:

Analogue: 2 hands (hour and minute [hand moves every 20 seconds]), 1 dial (battery level and mode).

Digital: hour, minutes, seconds, p.m., month, date and day