Watch Casio G-Shock Octagon GA-2100-1AER

Waterproof and shockproof sports watch with quartz movement. The black octagon-shaped watch case is made of a combination of resin and carbon fiber. The analog-digital dial is equipped with LED backlighting and Neobrite coating for convenient time reading at night. The backlighting function is activated manually using a button located on the side of the watch. The mineral glass used to cover the watch face features fifth grade on the Mohs hardness scale.
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The use of G-Shock system increases the watch's resistance to shock and mechanical damage. The model features high water resistance and is resistant to dives up to 200 meters (20 bar), which allows for safe use while swimming and even diving.

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Daily time is displayed in 12/24-hour format. In addition, the watch features: 5 daily alarms with a snooze function, an extensive calendar perpetual, stopwatch with a measurement length of up to 100 h and an accuracy of 1/1000 s, and timer counting down to 24 h. The world time function allows you to read the time in different time zones.

The watch is powered by 2 x SR726W battery, the manufacturer specifies a battery life of 3 years. It is equipped with a flexible strap made of plastic in black. The circumference of the strap is adjustable with a metal buckle.

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Technical data
. Model: GA-2100-1AER
. Material: plastic, fiberglass
Movement: Miyota quartz
. Water resistance: 20 atm (200 m)
Time display: analog-digital
Envelope width: 45 mm
Thickness of the envelope: 12 mm
Maximum strap circumference: 215 mm
Power supply: 2 x SR726W battery
Weight: 51 g
Manufacturer: Casio, Japan