Specifications

Basic Information

Dimensions (L × W × H)

56.2 × 54.9 × 17.3 mm

Weight

88 g

Case and bezel material

Resin/Stainless steel

Strap

Resin strap

Assembly

Shock resistant

Mud resistant

Water resistant

Water resistant to a depth of 200 meters

Time setting

Radio-controlled watch, multi-band 6 technology

Power supply and battery life

Tough Solar (solar-powered)

Exterior

Glass

Mineral glass

Other

Neobrite

Watch functions

World Time

World time with 31 time zones (48 cities + UTC), daylight saving time on/off and local city/world time changeover

Stopwatch

1/100 second stopwatch Measuring capacity: 59'59.99'' Measuring modes: Elapsed time, fraction of time, first and second place time

Timer

Countdown timer Unit of measurement: 1 second Countdown interval: 100 minutes Countdown start time setting range: Between 1 second and 100 minutes (1 second and 1 minute increments)

Alarm / time signal

5 daily alarms

Alarm countdown

Time signal

Illumination

Dual LED light, LED light for dial (full auto LED light, neon illuminator, selectable illumination duration (1.5 or 3 seconds) and brightness), LED backlight for digital display (full auto LED light, super-illuminator, selectable illumination duration (1.5 or 3 seconds) and brightness)

Light color

LED: white

LED: Neon illuminator (black light LED)

Calendar

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

Approximate battery run time:

7 months with rechargeable battery (operating period with 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 signal calibration)

Other options

12- and 24-hour format

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

Normal time indication:

Analog: 2 hands (hour and minute [hand moves every 20 seconds]).

Digital: hour, minute, second, p.m., month, date and day.

Time setting details

Time calibration signals

Station name: DCF77 (Mainflingen, Germany)

Frequency: 77.5 kHz

Station name: MSF (Anthorn, England)

Frequency: 60.0 kHz

Station name: WWVB (Fort Collins, United States)

Frequency: 60.0 kHz

Station name: JJY (Fukushima, Fukuoka/Saga, Japan)

Frequency: 40.0 kHz (Fukushima)/60.0 kHz (Fukuoka/Saga)

Station name: BPC (Shangqiu city, Henan province, China)

Frequency: 68.5 kHz

Reception of time calibration signal

Automatic reception up to six* times a day (the rest of the automatic reception is canceled as soon as it is successful)

*Five times a day for the Chinese calibration signal

Manual reception

The latest signal reception results

DESCRIPTION

CASIO G-SHOCK GWG-100-1A8JF - men's watch manufactured by Casio. It has Japanese solar quartz movement and 5561 calibre. Polymer, stainless steel case of round shape. Case dimensions are 54.9 mm. in diameter and 17.3 mm. in thickness. The dial of this Casio watch is black, lcd. Display type: analog-digital. This timepiece has mineral glass. Polymer band, band color: gray. 200 m. water resistance. The watch is from G-Shock collection. The following features are equipped: radio controlled, world time, chronograph, countdown timer, alarm, power reserve indicator, perpetual calendar, backlight, date, day, month.

Alarm

The Alarm will remind you of repeated events with a beep, which you can set to any time.

Backlight

The backlight is a dial illumination that allows you to use this watch in the dark.

Chronograph

You can measure the amount of time between two events using this watch.

Countdown Timer

Timer indicates the end of the time period you set.

Perpetual Calendar

Will automatically show you day, date and month, including leap years until the year 2100.

Power Reserve Indicator

You will always know how much energy your watch has and when it should be charged or winded.

Radio Controlled

This watch receives a calibration radio signal, ensuring that the displaying time is always exact.

Solar Powered

This watch can be charged from almost any light source and run few months or more in the dark when fully-charged.

SPECIFICATION

Brand

Casio

Collection

G-Shock

Gender

Men's

Movement

Solar Quartz

Calibre

5561

Case Material

Polymer, Stainless Steel

Case Shape

Round

Case Size

54.9

Case Thickness

17.3

Dial Type

Analog-Digital

Dial Color

Black, LCD

Band Material

Polymer

Band Color

Gray

Water Resistance

200

Glass

Mineral

Features

Radio Controlled, World Time, Chronograph, Countdown Timer, Alarm, Power Reserve Indicator, Perpetual Calendar, Backlight, Date, Day, Month