Casio G-Shock Metal Covered GM-2100B-3AER watch

Waterproof and shockproof sports watch with quartz movement. The black octagon-shaped watch case is made of a combination of steel and carbon fiber. The analog-digital green dial is equipped with LED backlighting and Neobrite coating for comfortable reading of the time 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 dial of the watch features a fifth degree on the Mohs hardness scale.

The use of the G-Shock system increases the watch's resistance to shock and mechanical damage. The model is characterized by high water resistance and is resistant to immersion up to 200 meters (20 bar), which allows safe use while swimming and even diving.

The 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 100 h and an accuracy of 1/1000 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 powered by 2 x SR726W battery, the manufacturer specifies a battery life of 3 years. The watch comes with a flexible strap made of green plastic. The circumference of the strap is adjustable with a metal buckle.

Technical specifications
Model: GM-2100B-3AER
Material: plastic, fiberglass, steel
Movement: quartz Miyota
Water resistance: 20 atm (200 m)
Time display: analog-digital
Envelope width: 44 mm
Thickness of the envelope: 12 mm
Maximum strap circumference: 215 mm
Power supply: 2 x SR726W battery
Weight: 72 g
Manufacturer: Casio, Japan