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

Waterproof and shockproof sports watch with quartz movement. The 33-mm-diameter analog-digital dial is equipped with Auto-LED backlighting. The Dual Illuminator function can be activated either manually or by raising the hand with the watch and zooming in towards the face. The Neobrite fluorescent coating on the hands provides long-lasting illumination in the dark. The mineral glass used to shield the watch's dial features a fifth grade on the Mohs hardness scale.

The use of the G-Shock system and the carbon fiber-reinforced envelope increases the watch's resistance to shock and mechanical damage. The model is characterized by high water resistance and is resistant to submersion up to 200 meters (20 bar), which allows safe use while swimming and even diving. The system also provides protection against the effects of magnetic fields (ISO Standard 764).

Daily time is displayed in 12/24 hour format. In addition, the watch is equipped with: 5 daily alarms with a snooze function, an expanded perpetual calendar, a stopwatch with a measurement length of up to 24 h and an accuracy of 1/100 s, and a countdown timer for up to 24 h. The world time function allows you to read the time in different time zones. The watch is equipped with a measurement of average speed over the distance traveled.

The model is powered by two SR726W batteries, the manufacturer specifies a battery life of 3 years. The watch comes with a flexible strap made of olive green plastic. The circumference of the strap is adjustable with a metal buckle.

Technical specifications
Model: GA-2100SU-1AER
Material: quartz, plastic, carbon fiber
Movement: quartz Miyota
Time display: analog-digital
Envelope width: 45 mm
Thickness of the envelope: 12 mm
Dial diameter: 33 mm
Maximum strap circumference: 210 mm
Power supply: 2 x SR726W battery
Weight: 51 g
Manufacturer: Casio, Japan