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Casio G-Shock Octagon GM-2100N-2AER Watch

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€205.27
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€205.27

Casio G-Shock Octagon GM-2100N-2AER Watch

Featuring a waterproof and shockproof design, this sports watch operates with precise quartz movement. The distinctive octagonal case draws inspiration from the iconic first G-Shock model introduced by the Japanese manufacturer in 1983.

Durable design

The movement is secured within an inner case crafted from resin reinforced with stainless steel. Durable design, complemented by the G-Shock system, guarantees exceptional resistance to shocks and mechanical impacts. The watch boasts impressive water resistance and remains protected when submerged up to 200 meters (20 bar), making it safe to wear during swimming and even diving.

A strap made from flexible material with a sturdy metal buckle provides a comfortable and secure fit on the wrist. The material is specially engineered to withstand the harmful effects of moisture and sweat, rendering it perfectly suited for a variety of demanding activities.

Dial, LED backlight

Featuring both hands and a display, the dial enables digital-analog timekeeping with a clear 12/24-hour format display. Dual LED illumination, an illuminator, and hands coated with Neobrite fluorescent material ensure reliable operation even in low-light or complete darkness.

5 alarms, calendar, world time function

Additional features include: 5 daily alarms, an upgraded calendar, a stopwatch capable of measuring up to 100 hours with 1/100 second precision, and a countdown timer that operates for up to 24 hours. The world time function provides access to the current time in 48 different cities worldwide.

Main features

  • G-Shock technology
  • Water resistance up to 200 meters
  • Robust construction
  • Quartz mechanism
  • Illumination feature
  • Dual LED backlighting
  • Neobrite coating
  • Automatic calendar
  • Chronograph
  • Countdown timer
  • World time capability
  • Five daily alarms

Technical data

Movement: quartz Miyota
Display: 12/24-hour format
Case material: plastic
Crystal: mineral glass
Band: plastic
Water resistance: 20 bar (200 m)
Case size: 44 x 49 mm
Case thickness: 17 mm
Maximum wrist circumference: 210 mm
Weight: 52 g
Brand: Casio, Japan

Casio


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Casio is a Japanese brand founded in 1946, which has remained one of the most recognizable consumer electronics manufacturers in the world for decades. It gained global fame with its iconic G-Shock series from the 1980s, valued for its high resistance to shocks, water, and extreme conditions. The company consistently develops its technologies, introducing innovations such as Tough Solar - a solar power system - and Wave Ceptor - radio time synchronization. Casio watches are popular among professionals and people looking for reliable models for everyday use and outdoor activities. The first G-Shock (model DW-5000C), designed in 1983 by engineer Kikuo Ibe, was so durable that it was tested by dropping it from the tenth floor, and yet it still worked flawlessly. Today, Casio is a symbol of innovation, durability, and timeless style.

More Information
Smartwatch No
Type of mechanism Quartz
Watch power supply battery
Strap Plastic
Glass Mineral
Alarm Yes
Date stamp Yes
Stopwatch Yes
Backlight Yes
Waterproof 20 ATM / 200 m
Shockproof Yes
NFC No
Calendar Yes
Compass No
GPS No
Barometer No
Thermometer No
Altimeter No
Chronograph No
Pedometer No
Calorie counter No
Heart rate measurement No
Pulse oximeter No
Weight 72 g
EAN 4549526304828
Manufacturer code GM-2100N-2AER
Brand Casio

Reviews with photos

Review summary

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Number of reviews: 1

  1. A...
    100%

    The metal case significantly increases the durability and visual appeal of this model without losing any comfort during wear. One of the better models from this manufacturer. Timeless and reliable.

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