---
product_id: 158899225
title: "G-Shock Classic Octagon Series Chronograph Dual Display Black Plastic Strap Watch GA-2100-1AER"
brand: "casio"
price: "₨76082"
currency: LKR
in_stock: false
url: https://www.desertcart.lk/products/158899225-g-shock-classic-octagon-series-chronograph-dual-display-black-plastic
store_origin: LK
region: Sri Lanka
---

# 200m water resistance Carbon-reinforced black resin case Quartz precision timing G-Shock Classic Octagon Series Chronograph Dual Display Black Plastic Strap Watch GA-2100-1AER

**Brand:** casio
**Price:** ₨76082
**Availability:** ❌ Out of Stock

## Summary

> 🖤 Timeless toughness meets sleek sophistication — own the moment with G-Shock GA-2100-1AER.

## Quick Answers

- **What is this?** G-Shock Classic Octagon Series Chronograph Dual Display Black Plastic Strap Watch GA-2100-1AER by casio
- **How much does it cost?** ₨76082 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/158899225-g-shock-classic-octagon-series-chronograph-dual-display-black-plastic)

## Best For

- casio enthusiasts

## Why This Product

- Trusted casio brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dual Display Mastery:** Seamlessly blends analogue elegance with digital functionality for the modern professional.
- • **Built to Brave Depths:** Waterproof up to 200 metres—your perfect companion from boardroom to beach.
- • **Night-Ready Visibility:** Neobrite luminous hands and dual illuminator tech ensure you never miss a beat, even in the dark.
- • **Featherlight Durability:** Carbon core and resin casing deliver rugged strength at just 51 grams—wear all day, effortlessly.
- • **Global Time, Local Style:** World time, stopwatch, countdown, and alarm functions keep you ahead in every time zone and task.

## Overview

The Casio G-Shock GA-2100-1AER is a cutting-edge analogue-digital quartz watch featuring a carbon-reinforced resin case for exceptional durability and lightweight comfort at 51 grams. With 200 metres of water resistance, dual illuminator technology, and multifunctional stopwatch, countdown, alarm, and world time features, it’s engineered for professionals who demand style and resilience. Protected by a mineral crystal dial window and backed by a 2-year warranty, this watch is a versatile, high-performance accessory designed for active, style-conscious men.

## Description

Casio presents the G-Shock GA-2100-1AER, a men's analogue-digital quartz watch from the Carbon Core Octagon Series. This timepiece features carbon-reinforced resin casing for structural strength plus a black colour scheme throughout. The watch includes a mineral dial window with Neobrite luminous coating on the hands for visibility in dark conditions. Designed for adult males, this G-Shock model combines traditional analogue display with digital functionality. The silicone strap is secured with a buckle clasp, plus the watch weighs 51 grams for lightweight wear. The lithium battery powers the quartz movement for accurate timekeeping.The watch features dual illuminator technology with separate illumination for analogue or digital components, ensuring readability in low light conditions. The LED light offers selectable illumination duration of either 1.5 seconds or 3 seconds, with afterglow feature for extended visibility. Functional features include stopwatch for timing activities, countdown timer for intervals, perpetual calendar for automatic date adjustment, alarm for reminders, plus world time for tracking multiple time zones. Waterproof to 200 metres depth, this watch is suitable for diving or water activities. The mineral dial window provides clarity plus protection for the watch face.The GA-2100-1AER incorporates shock protection construction with Hollow Core Guard Structure, designed to defend the watch mechanism against impact or vibration. This technology enhances durability during active use or physical activities. The carbon-reinforced resin casing provides structural integrity whilst maintaining the lightweight 51-gram total weight. Model number GA-2100-1ADR, series number 2100, part of the G-Shock collection. Easy reader design with clear analogue plus digital displays for convenient time reading. The watch arrives ready to wear with battery installed.

## Features

- Quartz
- 200 metres
- 49mm
- Traditional Tang Buckle
- 2 Year Casio Warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07WDD3YW9 |
| ASIN  | B07WDD3YW9 |
| Age Range Description | Adult |
| Band Colour | Black |
| Band Length | 25 Centimetres |
| Band Material Type | Plastic |
| Band Width | 22 Millimetres |
| Bands | 1 |
| Batteries  | 1 Lithium Metal batteries required. (included) |
| Best Sellers Rank | 36,592 in Fashion ( See Top 100 in Fashion ) 174 in Men's Wrist Watches |
| Bezel Color | Black |
| Brand Name | Casio |
| Case Diameter | 48.5 Millimetres |
| Case Material Type | Plastic |
| Case Thickness | 12 Millimetres |
| Character | Fashion |
| Clasp Type | Traditional Tang Buckle |
| Closure Type | Buckle |
| Crystal | Mineral Crystal Glass |
| Customer Reviews | 4.5 4.5 out of 5 stars (2,307) |
| Customer reviews | 4.5 4.5 out of 5 stars (2,307) |
| Date First Available  | 20 Aug. 2019 |
| Department  | Men |
| Dial Color | black |
| Display | Dual Display |
| Embellishment Feature | Crystal |
| Face Style | Skeleton |
| Global Trade Identification Number | 04549526241703 |
| Included Components | Belt, Handle |
| Is discontinued by manufacturer  | No |
| Item Shape | Round |
| Item Type Name | Watch |
| Item Weight | 52 Grams |
| Item model number  | a |
| Language  | English |
| Manufacturer | Casio |
| Manufacturer  | Casio |
| Manufacturer Part Number | FBP_casio_359 |
| Model Name | G-Shock |
| Model Number | a |
| Model Series | G-Shock |
| Number of Items | 1 |
| Number of Packs | 1 |
| Pattern | Solid |
| Power Source | Battery Powered |
| Product Dimensions  | 10 x 10 x 5 cm; 52 g |
| Series Number | 2100 |
| Special Features | Water Resistant, Glow In The Dark, Easy Reader, Shock Resistant, Stopwatch, Perpetual Calendar, Lightweight, Light Up, Countdown, Alarm, Worldtime, Stop Watch |
| Sport Type | Climbing, Fitness, Fitness., Running/jogging |
| Strap Type | Silicone |
| Style Name | GA-2100-1AER |
| Theme | Fashion |
| Unit Count | 1 Count |
| Warranty Type | 2 Year Casio Warranty |
| Watch Movement Type | Quartz |
| Water Resistance Depth | 200 Metres |
| Water Resistance Level | Waterproof |

## Images

![G-Shock Classic Octagon Series Chronograph Dual Display Black Plastic Strap Watch GA-2100-1AER - Image 1](https://m.media-amazon.com/images/I/51PLfiqERsL.jpg)

## Questions & Answers

**Q: What is delivery time on this item**
A: Few days

**Q: What version of this watch is this for?**
A: It's for the GA-2100-1AER.

**Q: What's the strap length on these please?**
A: Mine is 10 inches/27 cms stretched, tip to tip.

**Q: can you swim with it?**
A: Yes you can swim with it .I leave it on when I shower and when I swim in the sea
All good so far.

## Frequently Bought Together

- Casio GA-2100-1AER G-Shock Carbon Core Octagon Series Watch -Black
- CasiOak GA2100 Metal Watch Band and Case Mod Kit, Strap Bezel Accessories Compatible with Casio Mens G-Shock GA2100/GA-2110 Watches

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-10-15*