CASIO G-Shock GA-100-1A1ER Watch, ø 51mm

case diameter: 51mm
hight of the case: 17mm
width of the bracelet: 22mm
weight: 70g
material of the case: resin
material of the bracelet: resin
glass: mineral glass
display: digital
waterproof: 20 bar ~ 20 atm ~ 200m auf 1 cm²
Colour: black face, black case & strap

Functions

Auto-LED light:
A light-emitting diode (LED) is used to illuminate the watch face, incl. the feature of an Auto Light Switch that illuminates the display when the watch is angled towards the face.

Shock resistant:
Shock-resistant construction protects against impact and vibration.

Magnetic resistant:
The housing is designed to shield the clock from magnetic fields.

World time function:
Displays the current time in major cities and specific areas around the world.

Stopwatch function - 1/1000 sec. - 100 hours:
Measures with an accuracy of thousandth part seconds the meantime and the end time. Signals confirm the starting/stop selection. The measuring capacity reaches up to 100 hours.

Timer - 1/1 min. - 24 hours (with automatic repeat):
For fans of precision: the countdown timers help you to remember specific or recurring events by giving off an audible signal at a preset time. They then count back automatically from the preset time. The time can be set to the nearest minute and up to 24 hours in advance. Ideal for people who need to take medicines every day or those who do interval training.

5 daily alarms:
The daily alarm reminds you about recurring events with an acoustic signal at the time you have set. You can also activate hourly time signal that indicates each full hour. This model has 5 independent alarms for flexible reminders of important appointments.

Snooze feature:
Each time you stop the alarm, it sounds again after a few minutes.

Automatic calendar
Once set, the automatic calendar always displays the correct date.

12/24-hour timekeeping
Times can be displayed in either a 12-hour or 24-hour format.

Mineral glass
The tough, scratch-resistant mineral glass protects the watch against unsightly damage.

Resin case & Resin band
Natural resin is the ideal material for wrist straps thanks to its extremely durable and flexible properties.

2 Years - 1 Battery
The battery supplies the watch with sufficient energy for approx. two years.

Water resistance classification (20 bar)
Perfect for free diving without scuba gear: the watch is water resistant to 20 bar / 200 metres. The metres value does not relate to a diving depth but to the air pressure used in the course of the water resistance test. (ISO 2281)

Accuracy: +/- 15 sec seconds per month

Type of battery: CR1220